chore: Created automatic flatpak releases

.github/workflows/alpha.yml

@@ -355,3 +355,54 @@ jobs:
             zen.installer-generic.exe
             zen.macos-x64.dmg
             zen.macos-aarch64.dmg
+
+  release-flatpak:
+    if: ${{ github.event.inputs.create_release == 'true' }}
+    permissions: write-all
+    name: Release Flatpak
+    needs: [release, linux, build-data]
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Update repo
+        uses: actions/checkout@v4
+
+      - name: Download linux generic build
+        uses: actions/download-artifact@v4
+        with:
+          name: zen.linux-generic.tar.bz2
+
+      - name: Clone flatpak repo
+        uses: actions/checkout@v4
+        with:
+          repository: flathub/io.github.zen_browser.zen
+          path: flatpak-repo
+          token: ${{ secrets.DEPLOY_KEY }}
+
+      - name: Download flatpak archive
+        run: |
+          wget https://github.com/zen-browser/flatpak/releases/latest/download/archive.tar -O archive.tar
+
+      - name: Prepare flatpak manifest
+        run: |
+          python3 ./scripts/prepare-flatpak-release.py ${{ needs.build-data.outputs.version }}
+          rm flatpak-repo/io.github.zen_browser.zen.yml
+          mv flatpak/io.github.zen_browser.zen.yml flatpak-repo/io.github.zen_browser.zen.yml
+
+      - name: Setup git
+        run: |
+          cd flatpak-repo
+          git config --global user.email "mauro-balades@users.noreply.github.com"
+          git config --global user.name "mauro-balades"
+
+      - name: Create flatpak pull request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.DEPLOY_KEY }}
+          commit-message: Update to version ${{ needs.build-data.outputs.version }}
+          title: Update to version ${{ needs.build-data.outputs.version }}
+          body: |
+            This PR updates the Zen Browser Flatpak package to version ${{ needs.build-data.outputs.version }}. @mauro-balades
+          branch: update-to-${{ needs.build-data.outputs.version }}
+          base: master
+