The process '/usr/bin/git' failed with exit code 1

Error when evaluating 'runs-on' for job 'test-integrations-success'. .github/workflows/nightly-test-integrations-1.15.x.yml (Line: 307, Col: 14): Error from function 'fromJSON': empty input, .github/workflows/nightly-test-integrations-1.15.x.yml (Line: 307, Col: 14): Unexpected value ''