fix: Support Node 21 and drop 16

Author: Koenkk

.github/workflows/ci.yml

@@ -83,7 +83,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        node: [16, 18, 20]
+        node: [18, 20]
     runs-on: ${{ matrix.os }}
     continue-on-error: true
     steps:

.github/workflows/update_deps.yml

@@ -22,9 +22,7 @@ jobs:
       with:
         node-version: 20
         cache: npm
-    # connect-gzip-static only supports node 16
-    # @types/ws 8.5.5 is broken
-    - run: npx npm-check-updates -u -x connect-gzip-static -x @types/ws 
+    - run: npx npm-check-updates -u
     - run: npm install
     - uses: peter-evans/create-pull-request@v5
       with:

package.json

@@ -8,7 +8,7 @@
     "url": "git+https://github.com/Koenkk/zigbee2mqtt.git"
   },
   "engines": {
-    "node": "^16 || ^18 || ^19 || ^20"
+    "node": "^18 || ^20 || ^21"
   },
   "keywords": [
     "xiaomi",