Install devcontainers CLI

Author: AlvaroRausell

.github/workflows/release-pr.yml

@@ -18,6 +18,12 @@ jobs:
       version: ${{github.event.inputs.version}}
     steps:
       - uses: actions/checkout@v5
+      - name: Set up Node.js
+        uses: actions/setup-node@v5
+        with:
+          node-version: 20
+      - name: Install devcontainers CLI
+        run: npm i -g @devcontainers/cli
       - name: Checkout $target_branch
         run: git checkout -b $target_branch
       - name: Update manifest files