chore(deps): update docker/setup-buildx-action digest to 65d18f8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker/setup-buildx-action	action	digest	79abd3f -> 65d18f8

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box

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This PR was generated by Mend Renovate. View the repository job log.

[github-actions]

Improvements:

1. Pin SHA version in comments: While the action version is pinned to a specific SHA (good practice), it would be better to add a comment noting the corresponding tag for better readability and maintainability. Example:
   yaml
   uses: docker/setup-buildx-action@3f1544e # v2.5.0

2. Update to the latest version if applicable: Verify if 3f1544eb9eff0b4d4d279b33f704a06fcf8d0e43 corresponds to the latest release. Using an outdated version might introduce performance or security vulnerabilities.

3. Enable caching for efficiency: To optimize performance and reduce carbon footprint, confirm if caching options are enabled in the subsequent steps (e.g., Docker layer caching). If not:

   • Introduce caching to reduce redundant Docker operations and resource consumption.
   • Example snippet for Docker builds (if applicable):

     with:
       cache-from: type=registry,ref=my-image:cache
       cache-to: type=inline

4. Cost and carbon assessment: Consider estimating infrastructure costs and energy usage if this build is triggered frequently. Optimizations, such as caching or reducing unnecessary build invocations, can lower costs (in GBP) and reduce emissions.

5. Consider adding a hard workflow timeout: To avoid hangs and resource wastage, explicitly specify a timeout-minutes parameter in the workflow job definition. Example:

   jobs:
     deploy:
       timeout-minutes: 30

Addressing these points can improve security, maintainability, and resource efficiency.

[github-actions]

Suggestions for Improvement

1. Action Pinning to Specific Commit:

   • The update moves from one specific commit hash to another (79abd3f86f79... -> 622913496df2...). While this is preferable over using @latest or a version tag, ensure the new commit hash has been validated for security issues or compatibility changes.
   • Tip: Add a comment explaining why this specific commit was chosen to ensure traceability, e.g.:
     yaml
     uses: docker/setup-buildx-action@6229134 # Chosen for compatibility with Docker vX.Y.Z

2. Versioned Reference:

   • Instead of pinning directly to a commit hash, consider using a versioned tag (@vX.Y.Z) if the action's repository provides consistent semantic version tags. This makes it less cumbersome to track and update while still avoiding breaking changes.

3. Workflow Effectiveness and Maintenance:

   • Regularly review pinned GitHub Action versions or hashes in workflows to minimize the risk of outdated tooling. Define a recurring maintenance cycle or use Dependabot to track updates automatically. Add the following configuration if not already present:

     version: 2
     updates:
       - package-ecosystem: \"github-actions\"
         directory: \"/\"
         schedule:
           interval: \"weekly\"

Cost and Carbon Usage Considerations

• This specific change does not directly impact cost or carbon usage. However, recent versions of actions are likely optimized for speed and resource efficiency. Validate whether the updated action brings such benefits.

Security

• Verify and confirm that the new commit hash (622913496df2...) does not introduce vulnerabilities. Review its release notes or change documentation if available.

By addressing the above points, this workflow can improve in both maintainability and traceability.