fix flatpak action

.github/workflows/main.yml

@@ -1,14 +1,7 @@
 name: CI
 
 # This workflow will run for any pull request or pushed commit
-#<<<<<<< flatpak
 on: [push, pull_request]
-#=======
-#on:
-#  push:
-#    branches: [flatpak]
-#  pull_request:
-#>>>>>>> master
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
@@ -28,7 +21,7 @@ jobs:
     - uses: actions/checkout@v2
 
       # Builds your flatpak manifest using the Flatpak Builder action
-    - uses: bilelmoussaoui/flatpak-github-actions/flatpak-builder@v3
+    - uses: bilelmoussaoui/flatpak-github-actions/flatpak-builder@v4
       with:
         # This is the name of the Bundle file we're building and can be anything you like
         bundle: quickword.flatpak
@@ -41,4 +34,4 @@ jobs:
         # These lines specify the location of the elementary Runtime and Sdk
         repository-name: appcenter
         repository-url: https://flatpak.elementary.io/repo.flatpakrepo
-        cache-key: "flatpak-builder-${{ github.sha }}"
+        cache-key: "flatpak-builder-${{ github.sha }}"