feat: bump testing dependencies to latest version (#379)

diff --git a/package.json b/package.json
index 783f2ab..71a0501 100644
--- a/package.json
+++ b/package.json
@@ -42,9 +42,9 @@
     "eslint-plugin-node": "^8.0.1",
     "eslint-plugin-promise": "^4.0.1",
     "eslint-plugin-standard": "^4.0.0",
-    "jasmine": "3.1.0",
-    "nyc": "^14.1.1",
-    "rewire": "^4.0.1"
+    "jasmine": "^3.5.0",
+    "nyc": "^15.0.1",
+    "rewire": "^5.0.0"
   },
   "engines": {
     "node": ">=10.0.0"