[CI] Fix helpers auto-build

.gitea/workflows/build-helpers.yml

@@ -7,12 +7,8 @@ jobs:
     steps:
       - name: Set up Git repository
         uses: actions/checkout@v6
-      - name: List directory
-        run: ls
-      - name: List directory
-        run: ls /
       - name: Run build
-        run: /build.sh
+        run: ./build.sh
       - name: Upload compiled helpers
         uses: stefanzweifel/git-auto-commit-action@v7
         with: