dongjoon-hyun opened a new pull request #30232: URL: https://github.com/apache/spark/pull/30232
### What changes were proposed in this pull request? This PR aims to upgrade `Github Action` runner image from `Ubuntu 18.04 (LTS)` to `Ubuntu 20.04 (LTS)`. ### Why are the changes needed? `ubuntu-latest` in `GitHub Action` is still `Ubuntu 18.04 (LTS)`. - https://github.com/actions/virtual-environments#available-environments This upgrade will prepare AmbLab Jenkins upgrade. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Pass the `Github Action` in this PR. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org