Update ci.yml

Author: andreasnoack

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 10
     needs: [test]
     if: always()
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
       - run: |
           echo test: ${{ needs.test.result }}