docs(komga): sync 1.25.0 default

[mberlofa]

Summary

• Sync Komga docs and playground defaults with Komga 1.25.0.
• Add the Komga image tag control to the playground config.
• Register Komga in the playground config source map required by site sync.

Validation

• make site-sync-check CHART=komga
• npm run format:check
• npm run lint
• npm run build
• make release-check REPO=site
• make attribution-check REPO=site

Summary by CodeRabbit

• New Features
  • Added Komga to the playground configuration selector, including the container image tag field with a default value.
• Documentation
  • Updated Komga docs to reflect version 1.25.0.
  • Added upgrade notes highlighting new release improvements and reminding users to back up /config before upgrading.
  • Updated the documented default container image tag to 1.25.0.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 866ca93d-a940-479d-bddc-6ab43eeafe24

📥 Commits

Reviewing files that changed from the base of the PR and between 24e68e4 and 04be722.

📒 Files selected for processing (3)

• src/data/playground-configs.ts
• src/pages/docs/charts/komga.mdx
• src/pages/playground.astro

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📝 Walkthrough

Walkthrough

Updates the Komga chart's default container image tag from 1.24.4 to 1.25.0, adds a corresponding playground configuration field, registers Komga in the playground's site-sync mapping, and updates the Komga documentation page with an upgrade note and revised default tag reference.

Changes

Komga 1.25.0 update

Layer / File(s)	Summary
Playground config and registry wiring src/data/playground-configs.ts, src/pages/playground.astro	Adds an image.tag playground field for Komga (label, key, default 1.25.0, description) and registers the komga slug in siteSyncPlaygroundConfigs.
Documentation updates for Komga 1.25.0 src/pages/docs/charts/komga.mdx	Adds an upgrade callout mentioning 1.25.0 changes and backup guidance, and updates the documented default image.tag from "1.24.4" to "1.25.0".

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related issues

• chore(komga): upstream image update available (1.24.4 → 1.25.0) charts#696: Updates Komga's image tag from 1.24.4 to 1.25.0 and refreshes related documentation/config references, matching this PR's changes.

Possibly related PRs

• helmforgedev/site#322: Extends siteSyncPlaygroundConfigs in playground.astro with a new chart slug mapping, same wiring pattern.
• helmforgedev/site#357: Extends siteSyncPlaygroundConfigs in playground.astro with a new chart slug mapping, same wiring pattern.
• helmforgedev/site#341: Extends siteSyncPlaygroundConfigs in playground.astro with a new chart slug mapping, same wiring pattern.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly matches the main change: syncing Komga docs and defaults to 1.25.0.
Description check	✅ Passed	The description includes a clear summary and validation steps, though it omits the template's Quality Gates checklist.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/komga-1.25.0

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