Upgrade CI actions

Author: plhery

.github/workflows/CI.yml

@@ -7,13 +7,13 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [24.x]
       max-parallel: 1 # the streaming API can be called only once at a time
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm ci

.github/workflows/publish.yml

@@ -9,10 +9,13 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: 'lts/*'
           registry-url: 'https://registry.npmjs.org'
+      # Ensure npm 11.5.1 or later is installed
+      - name: Update npm
+        run: npm install -g npm@latest
       - run: npm ci
       - run: npm publish --provenance --access public