See grafana/docker-otel-lgtm#644

Renovate failed to look up the following dependencies: Could not determine new digest for update (github-tags package grafana/shared-workflows).
Files affected: .github/workflows/release.yml, .github/workflows/renovate.yml

https://github.com/grafana/docker-otel-lgtm/blob/3b5a038c562786637d8b25be9bd2198acf223803/.github/workflows/renovate.yml#L21-L23 and https://github.com/grafana/docker-otel-lgtm/blob/3b5a038c562786637d8b25be9bd2198acf223803/.github/workflows/release.yml#L23-L24