deps: bump renovatebot/github-action from 46.1.7 to 46.1.8

Bumps [renovatebot/github-action](https://github.com/renovatebot/github-action) from 46.1.7 to 46.1.8.
- [Release notes](https://github.com/renovatebot/github-action/releases)
- [Changelog](https://github.com/renovatebot/github-action/blob/main/CHANGELOG.md)
- [Commits](https://github.com/renovatebot/github-action/compare/3633cede7d4d4598438e654eac4a695e46004420...b67590ea780158ccd13192c22a3655a5231f869d)

---
updated-dependencies:
- dependency-name: renovatebot/github-action
  dependency-version: 46.1.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/renovate.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v5
 
       - name: Self-hosted Renovate
-        uses: renovatebot/github-action@3633cede7d4d4598438e654eac4a695e46004420 # v46.1.7
+        uses: renovatebot/github-action@b67590ea780158ccd13192c22a3655a5231f869d # v46.1.8
         with:
           configurationFile: .github/renovate.json5
           token: ${{ secrets.GITHUB_TOKEN }}