fix: remove ref property

Signed-off-by: Denis Golovin <dgolovin@redhat.com>

Author: dgolovin

.github/workflows/pr-check.yaml

@@ -31,8 +31,7 @@ jobs:
     uses: ./.github/workflows/build.yaml
     with:
       runs-on: ${{ matrix.target }}
-      ref: ${{ github.event.pull_request.head.sha }}
-  
+ 
   test:
     name: Test
     runs-on: ${{ matrix.target }}