fix(ci): fix pnpm setup for staging deploy

- Install pnpm in GitHub Actions
- Add node-version file
- Enable pnpm cache for faster CI builds
- Ensure build and deploy to staging works correctly

Author: ricardochl

.github/workflows/adev-staging-deploy.yml

@@ -18,6 +18,12 @@ jobs:
           submodules: true
       - name: Setup Node JS
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+        with:
+          node-version-file: '.node-version'
+      - name: Setup pnpm
+        uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # 4.1.0
+        with:
+          version: 10.17.1
       - name: Setup Bazel
         uses: bazel-contrib/setup-bazel@4fd964a13a440a8aeb0be47350db2fc640f19ca8 # 0.15.0
         with:

.github/workflows/ci.yml

@@ -15,8 +15,10 @@ jobs:
           submodules: true
       - name: Setup Node JS
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+        with:
+          node-version-file: '.node-version'
       - name: Setup pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # 4.1.0
         with:
           version: 10.17.1
       - name: Setup Bazel

.node-version

@@ -0,0 +1 @@
+22.12.0