⬆️ Bumped minimum Node version to 12.22.1 and 14.16.1

refs https://nodejs.org/en/blog/vulnerability/april-2021-security-releases/

- these are the latest security releases and we should encourage people
  to upgrade to them
- also replaces Node 12 in the tests with Node 14 as this is soon our
  recommended version

.github/workflows/test.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: '12.10.0'
+          node-version: '14.16.1'
       - run: yarn
       - run: yarn lint
       - uses: daniellockyer/action-slack-build@master
@@ -49,7 +49,7 @@ jobs:
           submodules: true
       - uses: actions/setup-node@v2
         with:
-          node-version: '12.10.0'
+          node-version: '14.16.1'
 
       - name: Shutdown MySQL
         run: sudo service mysql stop
@@ -75,7 +75,7 @@ jobs:
     if: github.event_name == 'push' || (github.event_name == 'pull_request' && !startsWith(github.head_ref, 'renovate/'))
     strategy:
       matrix:
-        node: [ '12.10.0', '14.15.0' ]
+        node: [ '12.22.1', '14.16.1' ]
         env:
           - DB: sqlite3
             NODE_ENV: testing
@@ -130,7 +130,7 @@ jobs:
           submodules: true
       - uses: actions/setup-node@v2
         with:
-          node-version: '12.10.0'
+          node-version: '12.22.1'
       - run: npm install -g ghost-cli@latest
       - run: npm --no-git-tag-version version minor # We need to artificially bump the minor version to get migrations to run
 
@@ -184,7 +184,7 @@ jobs:
           submodules: true
       - uses: actions/setup-node@v2
         with:
-          node-version: '12.18.0'
+          node-version: '14.16.1'
 
       - name: Set up Git
         run: |

package.json

@@ -36,7 +36,7 @@
     "fixmodulenotdefined": "yarn cache clean && cd core/client && rm -rf node_modules tmp dist && yarn && cd ../../"
   },
   "engines": {
-    "node": "^12.10.0 || ^14.15.0",
+    "node": "^12.22.1 || ^14.16.1",
     "cli": "^1.17.0"
   },
   "dependencies": {