Fix/helm build node (#27)

Co-authored-by: moilanik <niko.moilanen@tietoevry.com>
Reviewed-on: #27

.gitea/workflows/git-pages.ci-main.yml

@@ -3,7 +3,7 @@ on:
   push:
     branches:
       - main
-      - feature/helm-chart
+      - fix/helm-build-node
     paths:
       - git-pages/**
       - .gitea/workflows/helm-build-push.yml

.gitea/workflows/helm-build-push.yml

@@ -39,6 +39,12 @@ jobs:
     container:
       image: alpine/helm:3.19.0
     steps:
+      - name: Install Node.js for actions/checkout
+        # COMPROMISE: Requires internet access.
+        # Does NOT work in air-gapped environments.
+        # Replace with a custom image (e.g., extending alpine/helm + nodejs) if needed.
+        run: apk add --no-cache nodejs
+
       - uses: actions/checkout@v4
       - uses: actions/checkout@v4
         with: