Remove Node 14 support

Author: pichfl

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-node@v3
       with:
-        node-version: 14
+        node-version: 16
         cache: 'npm'
 
     - run: npm ci
@@ -32,7 +32,6 @@ jobs:
           - ubuntu-latest
           - macos-latest
         node:
-          - 14
           - 16
           - 18
           - 20
@@ -75,7 +74,7 @@ jobs:
 
     - uses: actions/setup-node@v3
       with:
-        node-version: 14
+        node-version: 16
         cache: 'npm'
 
     - uses: kellyselden/ember-cli-update-action@v5

package.json

@@ -74,7 +74,7 @@
     "yargs-help-output": "^2.0.0"
   },
   "engines": {
-    "node": ">=14.15"
+    "node": ">=16"
   },
   "release-it": {
     "plugins": {