chore(deps): update oven/bun docker tag to v1.2.9

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [woodpeckerci/plugin-ready-release-go](https://github.com/woodpecker-ci/plugin-ready-release-go) | patch | `3.1.3` -> `3.1.4` |

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### Configuration

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♻ **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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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #175
Co-authored-by: renovate-bot <renovate@ocram85.com>
Co-committed-by: renovate-bot <renovate@ocram85.com>

.woodpecker/release-helper.yml

@@ -11,7 +11,7 @@ when:
 
 steps:
   release-helper:
-    image: woodpeckerci/plugin-ready-release-go:3.1.3
+    image: woodpeckerci/plugin-ready-release-go:3.1.4
     settings:
       debug: true
       git_email: noreply@ocram85.com

Dockerfile.vitepress

@@ -1,4 +1,4 @@
-FROM oven/bun:1.2.4 AS builder
+FROM oven/bun:1.2.9 AS builder
 
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 ARG CI_COMMIT_PULL_REQUEST