Allow pull request write

Author: MaStr

.github/workflows/prepare-release.yml

@@ -3,6 +3,7 @@ name: Prepare Release
 
 permissions:
   contents: write # Grants write access to repository contents (required for creating releases)
+  pull-requests: write
 
 on:
   workflow_dispatch:
@@ -95,4 +96,4 @@ jobs:
             
             The tag will trigger Docker image build automatically.
           branch: ${{ steps.create_branch.outputs.branch }}
-          base: main
+          base: main