Change CI runner to ubuntu-latest

Author: cainelli

.github/workflows/build-and-test.yaml

@@ -12,7 +12,7 @@ permissions:
 
 jobs:
   ci-required:
-    runs-on: [self-hosted, go-large]
+    runs-on: [ubuntu-latest]
     needs: [test]
     if: success()
     steps: