consume openwhisk-runtime-nodejs 1.18.0 release (#692)

diff --git a/helm/openwhisk/runtimes-minimal-travis.json b/helm/openwhisk/runtimes-minimal-travis.json
index 8f52a33..e30fe70 100644
--- a/helm/openwhisk/runtimes-minimal-travis.json
+++ b/helm/openwhisk/runtimes-minimal-travis.json
@@ -8,7 +8,7 @@
                 "image": {
                     "prefix": "openwhisk",
                     "name": "action-nodejs-v10",
-                    "tag": "1.17.0"
+                    "tag": "1.18.0"
                 },
                 "deprecated": false,
                 "attached": {
diff --git a/helm/openwhisk/runtimes.json b/helm/openwhisk/runtimes.json
index 6ddddbd..8a9fb2a 100644
--- a/helm/openwhisk/runtimes.json
+++ b/helm/openwhisk/runtimes.json
@@ -7,7 +7,7 @@
                 "image": {
                     "prefix": "openwhisk",
                     "name": "action-nodejs-v10",
-                    "tag": "1.17.0"
+                    "tag": "1.18.0"
                 },
                 "deprecated": false,
                 "attached": {
@@ -27,7 +27,7 @@
                 "image": {
                     "prefix": "openwhisk",
                     "name": "action-nodejs-v12",
-                    "tag": "1.17.0"
+                    "tag": "1.18.0"
                 },
                 "deprecated": false,
                 "attached": {
@@ -41,7 +41,7 @@
                 "image": {
                     "prefix": "openwhisk",
                     "name": "action-nodejs-v14",
-                    "tag": "1.17.0"
+                    "tag": "1.18.0"
                 },
                 "deprecated": false,
                 "attached": {