chore(deps): update golang docker tag to v1.27

[red-hat-konflux-kflux-prd-rh02]

This PR contains the following updates:

Package	Type	Update	Change
golang	stage	minor	1.22-alpine → 1.27-alpine

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Configuration

📅 Schedule: (UTC)

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

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Documentation

Find out how to configure dependency updates in MintMaker documentation or see all available configuration options in Renovate documentation.

[rhartuv]

Closing this PR: we've updated our dependency management policy. Going forward, Mintmaker/Konflux will only open PRs for security vulnerability fixes (CVEs), not routine version bumps or lock-file maintenance.

This PR is a routine upgrade, not a security fix. A new PR will be opened automatically if a CVE affects this dependency.

See the updated configuration here.