Publish helm charts to GitHub Container Registry

Signed-off-by: Jongwoo Han <[email protected]>

.github/workflows/release.yml

@@ -6,6 +6,10 @@ on:
       - main
       - master
 
+permissions:
+  contents: write
+  packages: write
+
 jobs:
   release:
     # depending on default permission settings for your org (contents being read-only or read-write for workloads), you will have to add permissions
@@ -37,3 +41,19 @@ jobs:
         uses: helm/[email protected]
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Push Charts to GHCR
+        run: |
+          for pkg in .cr-release-packages/*; do
+            if [ -z "${pkg:-}" ]; then
+              break
+            fi
+            helm push "${pkg}" oci://ghcr.io/${{ github.repository_owner }}/litmus-helm
+          done