fixup! ci: added check for fixup commits

ci: error in yaml

.github/workflows/check-fixup-commits.yml

@@ -29,11 +29,8 @@ jobs:
 
       - name: Check for fixup commits
         id: fixup-commits
-        run: echo "FIXUP_COMMIT_COUNT=$(git rev-list "$BASE_SHA".."$HEAD_SHA" --grep="^fixup! " | wc -l)" >> $GITHUB_OUTPUT
-
-      - name: Output result
         run: |
-          if [[ $FIXUP_COMMIT_COUNT -eq 0 ]]; then
+          if [[ $(git rev-list "$BASE_SHA".."$HEAD_SHA" --grep="^fixup! " | wc -l) -eq 0 ]]; then
             echo "No fixup commits found in commit history"
           else
             echo "Fixup commits found in commit history"