ci: fix release pipeline (#149)

Author: raffis

.github/workflows/release.yaml

@@ -77,6 +77,6 @@ jobs:
       - name: Publish helm charts to Github Container Registry
         run: |
           repository=$(echo "${{ github.repository_owner }}" | tr [:upper:] [:lower:])
-          helm push ${{ github.workspace }}/chart/keycloak-controller-*.tgz oci://ghcr.io/$repository/charts |& tee .digest
+          helm push ${{ github.workspace }}/chart/growthbook-controller-*.tgz oci://ghcr.io/$repository/charts |& tee .digest
           cosign login --username ${GITHUB_ACTOR} --password ${{ secrets.GITHUB_TOKEN }} ghcr.io
-          cosign sign --yes ghcr.io/$repository/charts/keycloak-controller@$(cat .digest | awk -F "[, ]+" '/Digest/{print $NF}')
+          cosign sign --yes ghcr.io/$repository/charts/growthbook-controller@$(cat .digest | awk -F "[, ]+" '/Digest/{print $NF}')