Adding rc2 of Node.js runtime v14 (#282)

Author: jthomas

tools/config.json

@@ -5,13 +5,13 @@
   "release_url": "https://dist.apache.org/repos/dist/release/incubator/openwhisk",
   "versioning": {
     "version": "1.14.0-incubating",
-    "pre_release_version": "rc1"
+    "pre_release_version": "rc2"
   },
   "RepoList": [
     "openwhisk-runtime-nodejs"
   ],
   "openwhisk_runtime_nodejs": {
-    "hash": "3bf5268",
+    "hash": "14d2af8",
     "repository": "https://github.com/apache/incubator-openwhisk-runtime-nodejs.git",
     "branch": "master"
   }