ℹ️ Added support for Node 18

refs https://github.com/TryGhost/Toolbox/issues/488

- Node 18 is now LTS so we're adding support for it
- this adds Node 18.12.1 (the latest security release) to our supported
  ranges and CI

.github/workflows/test.yml

@@ -143,7 +143,7 @@ jobs:
     if: github.event_name == 'push' || (github.event_name == 'pull_request' && !startsWith(github.head_ref, 'renovate/'))
     strategy:
       matrix:
-        node: [ '14.18.0', '16.13.0' ]
+        node: [ '14.18.0', '16.13.0', '18.12.1' ]
     name: Unit Tests (Node ${{ matrix.node }})
     steps:
       - uses: actions/checkout@v3
@@ -178,7 +178,7 @@ jobs:
     if: github.event_name == 'push' || (github.event_name == 'pull_request' && !startsWith(github.head_ref, 'renovate/'))
     strategy:
       matrix:
-        node: [ '14.18.0', '16.13.0' ]
+        node: [ '14.18.0', '16.13.0', '18.12.1' ]
         env:
           - DB: sqlite3
             NODE_ENV: testing

ghost/admin/package.json

@@ -26,7 +26,7 @@
     "lint": "yarn lint:js && yarn lint:hbs"
   },
   "engines": {
-    "node": "^14.18.0 || ^16.13.0 || ^18.0.0"
+    "node": "^14.18.0 || ^16.13.0 || ^18.12.1"
   },
   "devDependencies": {
     "@babel/eslint-parser": "7.19.1",

ghost/core/package.json

@@ -52,7 +52,7 @@
     "prepack": "yarn workspace ghost-admin run build:prod && yarn build:css && npx --yes daniellockyer/monobundle"
   },
   "engines": {
-    "node": "^14.18.0 || ^16.13.0 || ^18.0.0",
+    "node": "^14.18.0 || ^16.13.0 || ^18.12.1",
     "cli": "^1.17.0"
   },
   "dependencies": {