Fix labels for GHCR

[martincostello]

Also add the label fixes for the GitHub Container Registry.

I'd forgotten we also push to ghcr.io, and looking at the latest push, everything looks correct now except for the three that need overriding.

[martincostello]

Looks good now:

{
  "labels": {
    "org.opencontainers.image.title": "docker-otel-lgtm",
    "summary": "An OpenTelemetry backend in a Docker image",
    "com.redhat.license_terms": "https://www.redhat.com/en/about/red-hat-end-user-license-agreements#UBI",
    "io.k8s.display-name": "Grafana LGTM",
    "org.opencontainers.image.ref.name": "main",
    "org.opencontainers.image.url": "https://github.com/grafana/docker-otel-lgtm",
    "name": "grafana/otel-lgtm",
    "org.opencontainers.image.version": "main",
    "io.k8s.description": "An open source backend for OpenTelemetry that's intended for development, demo, and testing environments.",
    "architecture": "x86_64",
    "io.openshift.expose-services": "",
    "distribution-scope": "public",
    "org.opencontainers.image.source": "https://github.com/grafana/docker-otel-lgtm",
    "org.opencontainers.image.revision": "1914fd8a68d48a06264be3230fb4234e74844201",
    "org.opencontainers.image.created": "2025-11-05T16:09:58.197Z",
    "org.opencontainers.image.description": "OpenTelemetry backend in a Docker image",
    "vcs-ref": "1914fd8a68d48a06264be3230fb4234e74844201",
    "com.redhat.component": "ubi9-micro-container",
    "maintainer": "Grafana Labs",
    "org.opencontainers.image.licenses": "Apache-2.0",
    "build-date": "2025-10-15T07:57:30Z",
    "release": "",
    "version": "main",
    "io.buildah.version": "",
    "vendor": "Grafana Labs",
    "url": "https://github.com/grafana/docker-otel-lgtm",
    "cpe": "",
    "org.opencontainers.image.documentation": "https://github.com/grafana/docker-otel-lgtm/blob/main/README.md",
    "org.opencontainers.image.vendor": "Grafana Labs",
    "vcs-type": "git",
    "org.opencontainers.image.authors": "Grafana Labs",
    "description": "An open source backend for OpenTelemetry that's intended for development, demo, and testing environments."
  }
}