Revert "chore!: require nodejs 16 (#218)" (#242)

This reverts commit ae37ad0.

Author: sethvargo

.github/workflows/deploy-appengine-creds-it.yml

@@ -203,7 +203,7 @@ jobs:
 
     - uses: 'actions/setup-node@v2'
       with:
-        node-version: '16.x'
+        node-version: '12.x'
 
     - id: build
       name: Build dist

.github/workflows/deploy-appengine-inputs-it.yml

@@ -68,9 +68,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-node@v2
+    - uses: actions/setup-node@master
       with:
-        node-version: '16.x'
+        node-version: 12.x
     - id: build
       name: Build dist
       run: |-

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
 
     - uses: 'actions/setup-node@v2'
       with:
-        node-version: '16.x'
+        node-version: '12.x'
 
     - name: 'npm build'
       run: 'npm ci && npm run build'

.github/workflows/unit.yml

@@ -29,7 +29,7 @@ jobs:
 
     - uses: 'actions/setup-node@v2'
       with:
-        node-version: '16.x'
+        node-version: 12.x
 
     - name: 'npm build'
       run: 'npm ci && npm run build'

action.yml

@@ -64,7 +64,7 @@ inputs:
   flags:
     description: |-
       Space separated list of other App Engine flags, examples can be found:
-      https://cloud.google.com/sdk/gcloud/reference/app/deploy#FLAGS. Ex
+      https://cloud.google.com/sdk/gcloud/reference/app/deploy#FLAGS. Ex 
       [email protected] --no-cache
     required: false
 
@@ -73,5 +73,5 @@ outputs:
     description: URL of your App Engine Application
 
 runs:
-  using: 'node16'
-  main: 'dist/index.js'
+  using: node12
+  main: dist/index.js

example-app/app.yaml

@@ -1,9 +1,9 @@
 # Copyright 2020 Google, LLC.
-#
+# 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-#
+# 
 #    http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-runtime: nodejs16
+runtime: nodejs12