CI: update build action to pin version and pass in our go version (#34)

Author: alexluck-sift

.github/workflows/ci.yml

@@ -172,7 +172,7 @@ jobs:
       - name: Setup Node.js environment
         uses: actions/setup-node@v4
         with:
-          node-version: '22'
+          node-version: '20'
           cache: 'npm'
 
       - name: Install dev dependencies

.github/workflows/release.yml

@@ -18,7 +18,9 @@ jobs:
       attestations: write
     steps:
       - uses: actions/checkout@v4
-      - uses: grafana/plugin-actions/build-plugin@main
+      - uses: grafana/plugin-actions/build-plugin@build-plugin/v1.0.2
         with:
+          go-version: '1.23.5'
+          node-version: '20'
           policy_token: ${{ secrets.GRAFANA_ACCESS_POLICY_TOKEN }}
           attestation: true