feat(helm): push chart to the OCI Registry

Signed-off-by: Nicolas Lamirault <[email protected]>

.github/workflows/release.yaml

@@ -36,3 +36,20 @@ jobs:
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
           CR_SKIP_EXISTING: true
+
+      - name: Login to GHCR
+        uses: docker/[email protected]
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Push chart to GHCR
+        run: |
+          shopt -s nullglob
+          for pkg in .cr-release-packages/*.tgz; do
+            if [ -z "${pkg:-}" ]; then
+              break
+            fi
+            helm push "${pkg}" "oci://ghcr.io/${GITHUB_REPOSITORY_OWNER}/charts"
+          done