ci: use Node.js 20 in Bake AppVeyor Image workflow (#44290)

* ci: use Node.js 20 in Bake AppVeyor Image workflow

* chore: add bake workflow to CODEOWNERS

.github/CODEOWNERS

@@ -8,6 +8,7 @@
 DEPS                                    @electron/wg-upgrades
 
 # Releases WG
+/.github/workflows/update_appveyor_image.yml @electron/wg-releases
 /docs/breaking-changes.md               @electron/wg-releases
 /npm/                                   @electron/wg-releases
 /script/release                         @electron/wg-releases

.github/workflows/update_appveyor_image.yml

@@ -23,6 +23,10 @@ jobs:
       with:
         fetch-depth: 0
         token: ${{ steps.generate-token.outputs.token }}
+    - name: Setup Node.js
+      uses: actions/setup-node@0a44ba7841725637a19e28fa30b79a866c81b0a6 # v4.0.4
+      with:
+        node-version: 20.11.x
     - name: Yarn install
       run: |
         node script/yarn.js install --frozen-lockfile