[workflow] reverts ref/branch setting

.github/workflows/dotnet-format.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           token: ${{ secrets.BYPASS_WORKFLOW_PAT || github.token }}
-          ref: ${{ github.event.pull_request.head.ref || github.ref_name }}
+          ref: ${{ github.head_ref }}
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
@@ -39,4 +39,3 @@ jobs:
           commit_user_name: sp-tarkov-bot
           commit_user_email: singleplayertarkov@gmail.com
           commit_author: sp-tarkov-bot <singleplayertarkov@gmail.com>
-          branch: ${{ github.event.pull_request.head.ref || github.ref_name }}