Deps/gha: Bump the ci-deps group with 2 updates

Bumps the ci-deps group with 2 updates: [flatpak/flatpak-github-actions/flatpak-builder](https://github.com/flatpak/flatpak-github-actions) and [flatpak/flatpak-github-actions/flat-manager](https://github.com/flatpak/flatpak-github-actions).


Updates `flatpak/flatpak-github-actions/flatpak-builder` from 6.7 to 6.8
- [Release notes](https://github.com/flatpak/flatpak-github-actions/releases)
- [Commits](https://github.com/flatpak/flatpak-github-actions/compare/401fe28a8384095fc1531b9d320b292f0ee45adb...79327416609af08178ad73b352877e51450790b3)

Updates `flatpak/flatpak-github-actions/flat-manager` from 6.7 to 6.8
- [Release notes](https://github.com/flatpak/flatpak-github-actions/releases)
- [Commits](https://github.com/flatpak/flatpak-github-actions/compare/401fe28a8384095fc1531b9d320b292f0ee45adb...79327416609af08178ad73b352877e51450790b3)

---
updated-dependencies:
- dependency-name: flatpak/flatpak-github-actions/flatpak-builder
  dependency-version: '6.8'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: ci-deps
- dependency-name: flatpak/flatpak-github-actions/flat-manager
  dependency-version: '6.8'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: ci-deps
...

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

.github/workflows/linux_build_flatpak.yml

@@ -93,7 +93,7 @@ jobs:
 
       - name: Build Flatpak (beta)
         if: ${{ inputs.stableBuild == false || inputs.stableBuild == 'false' }}
-        uses: flatpak/flatpak-github-actions/flatpak-builder@401fe28a8384095fc1531b9d320b292f0ee45adb
+        uses: flatpak/flatpak-github-actions/flatpak-builder@79327416609af08178ad73b352877e51450790b3
         with:
           bundle: ${{ steps.artifact-metadata.outputs.artifact-name }}.flatpak
           upload-artifact: false
@@ -109,7 +109,7 @@ jobs:
 
       - name: Build Flatpak (stable)
         if: ${{ inputs.stableBuild == true || inputs.stableBuild == 'true' }}
-        uses: flatpak/flatpak-github-actions/flatpak-builder@401fe28a8384095fc1531b9d320b292f0ee45adb
+        uses: flatpak/flatpak-github-actions/flatpak-builder@79327416609af08178ad73b352877e51450790b3
         with:
           bundle: ${{ steps.artifact-metadata.outputs.artifact-name }}.flatpak
           upload-artifact: false
@@ -129,7 +129,7 @@ jobs:
 
       - name: Push to Flathub (beta)
         if: ${{ inputs.publish == true && (inputs.stableBuild == false || inputs.stableBuild == 'false') }}
-        uses: flatpak/flatpak-github-actions/flat-manager@401fe28a8384095fc1531b9d320b292f0ee45adb
+        uses: flatpak/flatpak-github-actions/flat-manager@79327416609af08178ad73b352877e51450790b3
         with:
           flat-manager-url: https://hub.flathub.org/
           repository: beta
@@ -138,7 +138,7 @@ jobs:
 
       - name: Push to Flathub (stable)
         if: ${{ inputs.publish == true && (inputs.stableBuild == true || inputs.stableBuild == 'true') }}
-        uses: flatpak/flatpak-github-actions/flat-manager@401fe28a8384095fc1531b9d320b292f0ee45adb
+        uses: flatpak/flatpak-github-actions/flat-manager@79327416609af08178ad73b352877e51450790b3
         with:
           flat-manager-url: https://hub.flathub.org/
           repository: stable