Fix GHCR distribute workflow by restoring expected local composite action path

[Copilot]

The release workflow failed at Distribute / Docker Build and Push (GHCR) because the called reusable workflow expects a local composite action at .github/composite-actions/docker-build-push-ghcr, but that path was missing in this repository. This PR adds a compatibility action at that path so the reusable workflow can resolve and execute correctly.

• Workflow compatibility restoration

  • Added .github/composite-actions/docker-build-push-ghcr/action.yml.
  • Implemented it as a thin wrapper that forwards all inputs to webgrip/workflows/.github/composite-actions/docker-build-push-ghcr@main.

• Behavioral impact

  • Keeps existing release workflow wiring unchanged.
  • Unblocks docker-build-and-push-ghcr.yml consumers by satisfying its required local action contract.

# .github/composite-actions/docker-build-push-ghcr/action.yml
runs:
  using: "composite"
  steps:
    - uses: webgrip/workflows/.github/composite-actions/docker-build-push-ghcr@main
      with:
        docker-context: ${{ inputs.docker-context }}
        docker-file: ${{ inputs.docker-file }}
        docker-tags: ${{ inputs.docker-tags }}
        platforms: ${{ inputs.platforms }}
        docker-target: ${{ inputs.docker-target }}
        docker-build-args: ${{ inputs.docker-build-args }}

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🎉 This PR is included in version 1.3.1 🎉

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🎉 This PR is included in version 1.2.1 🎉

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[webgrip-ci]

🎉 This PR is included in version 1.2.1 🎉

The release is available on GitHub release

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[webgrip-ci]

🎉 This PR is included in version 1.2.1 🎉

The release is available on GitHub release

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