Fix CI

Author: utpilla

.github/workflows/ci.yml

@@ -17,6 +17,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - name: Free disk space
+      if: ${{ matrix.os == 'ubuntu-latest'}}
       run: |
         df -h
         sudo rm -rf /usr/local/lib/android