Bump flatpak/flatpak-github-actions from 6.4 to 6.5 (#356)

Bumps [flatpak/flatpak-github-actions](https://github.com/flatpak/flatpak-github-actions) from 6.4 to 6.5.
- [Release notes](https://github.com/flatpak/flatpak-github-actions/releases)
- [Commits](https://github.com/flatpak/flatpak-github-actions/compare/v6.4...v6.5)

---
updated-dependencies:
- dependency-name: flatpak/flatpak-github-actions
  dependency-version: '6.5'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Flatpak Builder
-        uses: flatpak/flatpak-github-actions/flatpak-builder@v6.4
+        uses: flatpak/flatpak-github-actions/flatpak-builder@v6.5
         with:
           bundle: page.kramo.Cartridges.Devel.flatpak
           manifest-path: build-aux/flatpak/page.kramo.Cartridges.Devel.json