Tweak node setup in GitHub Actions

Author: arnested

.github/workflows/qa.yml

@@ -18,6 +18,10 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "npm"
+          cache-dependency-path: package-lock.json
 
       - name: Install dependencies
         run: npm ci

.github/workflows/release-please.yml

@@ -36,6 +36,11 @@ jobs:
 
       - if: ${{ github.event.inputs.publish-release == 'true' || steps.release.outputs.release_created }}
         uses: actions/setup-node@v4
+        with:
+          registry-url: 'https://registry.npmjs.org'
+          node-version: 20
+          cache: "npm"
+          cache-dependency-path: package-lock.json
 
       - if: ${{ github.event.inputs.publish-release == 'true' || steps.release.outputs.release_created }}
         env: