fix security nag
diff --git a/package-lock.json b/package-lock.json
index 4176456..5f50359 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,9 +8,12 @@
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     },
     "@actions/exec": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/@actions/exec/-/exec-1.0.1.tgz",
-      "integrity": "sha512-nvFkxwiicvpzNiCBF4wFBDfnBvi7xp/as7LE1hBxBxKG2L29+gkIPBiLKMVORL+Hg3JNf07AKRfl0V5djoypjQ=="
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@actions/exec/-/exec-1.0.2.tgz",
+      "integrity": "sha512-Yo/wfcFuxbVjAaAfvx3aGLhMEuonOahas2jf8BwyA52IkXTAmLi7YVZTpGAQG/lTxuGoNLg9slTWQD4rr7rMDQ==",
+      "requires": {
+        "@actions/io": "^1.0.1"
+      }
     },
     "@actions/github": {
       "version": "1.1.0",
@@ -21,6 +24,11 @@
         "@octokit/rest": "^16.15.0"
       }
     },
+    "@actions/io": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@actions/io/-/io-1.0.1.tgz",
+      "integrity": "sha512-rhq+tfZukbtaus7xyUtwKfuiCRXd1hWSfmJNEpFgBQJ4woqPEpsBw04awicjwz9tyG2/MVhAEMfVn664Cri5zA=="
+    },
     "@octokit/endpoint": {
       "version": "5.5.1",
       "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-5.5.1.tgz",
@@ -123,9 +131,9 @@
       }
     },
     "@types/node": {
-      "version": "12.12.12",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.12.tgz",
-      "integrity": "sha512-MGuvYJrPU0HUwqF7LqvIj50RZUX23Z+m583KBygKYUZLlZ88n6w28XRNJRJgsHukLEnLz6w6SvxZoLgbr5wLqQ=="
+      "version": "12.12.16",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.16.tgz",
+      "integrity": "sha512-vRuMyoOr5yfNf8QWxXegOjeyjpWJxFePzHzmBOIzDIzo+rSqF94RW0PkS6y4T2+VjAWLXHWrfbIJY3E3aS7lUw=="
     },
     "@webassemblyjs/ast": {
       "version": "1.8.5",
@@ -316,9 +324,9 @@
       "dev": true
     },
     "acorn": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
-      "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
+      "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==",
       "dev": true
     },
     "ajv": {
@@ -563,9 +571,9 @@
       "dev": true
     },
     "bluebird": {
-      "version": "3.7.1",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.1.tgz",
-      "integrity": "sha512-DdmyoGCleJnkbp3nkbxTLJ18rjDsE4yCggEwKNXkeV123sPNfOCYeDoeuOY+F2FrSjO1YXcTU+dsy96KMy+gcg==",
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+      "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
       "dev": true
     },
     "bn.js": {
@@ -1218,14 +1226,26 @@
       }
     },
     "enhanced-resolve": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz",
-      "integrity": "sha512-F/7vkyTtyc/llOIn8oWclcB25KdRaiPBpZYDgJHgh/UHtpgT2p2eldQgtQnLtUvfMKPKxbRaQM/hHkvLHt1Vng==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-4.1.1.tgz",
+      "integrity": "sha512-98p2zE+rL7/g/DzMHMTF4zZlCgeVdJ7yr6xzEpJRYwFYrGi9ANdn5DnJURg6RpBkyk60XYDnWIv51VfIhfNGuA==",
       "dev": true,
       "requires": {
         "graceful-fs": "^4.1.2",
-        "memory-fs": "^0.4.0",
+        "memory-fs": "^0.5.0",
         "tapable": "^1.0.0"
+      },
+      "dependencies": {
+        "memory-fs": {
+          "version": "0.5.0",
+          "resolved": "https://registry.npmjs.org/memory-fs/-/memory-fs-0.5.0.tgz",
+          "integrity": "sha512-jA0rdU5KoQMC0e6ppoNRtpp6vjFq6+NY7r8hywnC7V+1Xj/MtHwGIbB1QaK/dunyjWteJzmkpd7ooeWg10T7GA==",
+          "dev": true,
+          "requires": {
+            "errno": "^0.1.3",
+            "readable-stream": "^2.0.1"
+          }
+        }
       }
     },
     "errno": {
@@ -3489,9 +3509,9 @@
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     },
     "serialize-javascript": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
-      "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
+      "integrity": "sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==",
       "dev": true
     },
     "set-blocking": {
@@ -3862,9 +3882,9 @@
       "dev": true
     },
     "terser": {
-      "version": "4.4.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.4.0.tgz",
-      "integrity": "sha512-oDG16n2WKm27JO8h4y/w3iqBGAOSCtq7k8dRmrn4Wf9NouL0b2WpMHGChFGZq4nFAQy1FsNJrVQHfurXOSTmOA==",
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.4.2.tgz",
+      "integrity": "sha512-Uufrsvhj9O1ikwgITGsZ5EZS6qPokUOkCegS7fYOdGTv+OA90vndUbU6PEjr5ePqHfNUbGyMO7xyIZv2MhsALQ==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -3881,16 +3901,16 @@
       }
     },
     "terser-webpack-plugin": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.4.1.tgz",
-      "integrity": "sha512-ZXmmfiwtCLfz8WKZyYUuuHf3dMYEjg8NrjHMb0JqHVHVOSkzp3cW2/XG1fP3tRhqEqSzMwzzRQGtAPbs4Cncxg==",
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.4.2.tgz",
+      "integrity": "sha512-fdEb91kR2l+BVgES77N/NTXWZlpX6vX+pYPjnX5grcDYBF2CMnzJiXX4NNlna4l04lvCW39lZ+O/jSvUhHH/ew==",
       "dev": true,
       "requires": {
         "cacache": "^12.0.2",
         "find-cache-dir": "^2.1.0",
         "is-wsl": "^1.1.0",
         "schema-utils": "^1.0.0",
-        "serialize-javascript": "^1.7.0",
+        "serialize-javascript": "^2.1.1",
         "source-map": "^0.6.1",
         "terser": "^4.1.2",
         "webpack-sources": "^1.4.0",
@@ -4213,6 +4233,19 @@
         "supports-color": "6.1.0",
         "v8-compile-cache": "2.0.3",
         "yargs": "13.2.4"
+      },
+      "dependencies": {
+        "enhanced-resolve": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz",
+          "integrity": "sha512-F/7vkyTtyc/llOIn8oWclcB25KdRaiPBpZYDgJHgh/UHtpgT2p2eldQgtQnLtUvfMKPKxbRaQM/hHkvLHt1Vng==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "memory-fs": "^0.4.0",
+            "tapable": "^1.0.0"
+          }
+        }
       }
     },
     "webpack-sources": {