Update action to Node 16 and update node modules

.eslintrc.json

@@ -4,8 +4,8 @@
   "extends": [
     "eslint:recommended",
     "plugin:@typescript-eslint/recommended",
-    "prettier/@typescript-eslint",
-    "plugin:prettier/recommended"
+    "plugin:prettier/recommended",
+    "prettier"
   ],
   "rules": {
     "prettier/prettier": [
@@ -21,7 +21,10 @@
     ],
     // octokit/rest requires parameters that are not in camelcase
     "camelcase": "off",
-    "@typescript-eslint/camelcase": ["error", { "properties": "never" }]
+    "@typescript-eslint/naming-convention": [
+      "error",
+      { "selector": "variableLike", "format": ["camelCase"] }
+    ]
   },
   "env": {
     "node": true,

.nvmrc

@@ -1 +1 @@
-12.7.0
+16.16.0

action.yml

@@ -10,5 +10,5 @@ inputs:
       Note that the token will be accessible to all repository collaborators.
     default: ${{ github.token }}
 runs:
-  using: "node12"
+  using: "node16"
   main: "./dist/index.js"

jest.config.js

@@ -11,7 +11,7 @@ process.stdout.write = (str, encoding, cb) => {
 
 const processStderrWrite = process.stderr.write.bind(process.stderr)
 process.stderr.write = (str, encoding, cb) => {
-  if (str.match(/Hello/)) return false
+  if (str.toString().match(/Hello/)) return false
   processStderrWrite(str, encoding, cb)
 }