Bump upstream from 60b1e19 to 72afe97 (#113)

Bumps [upstream](https://github.com/bazelbuild/bazel) from `60b1e19` to `72afe97`.
- [Release notes](https://github.com/bazelbuild/bazel/releases)
- [Commits](bazelbuild/bazel@60b1e19...72afe97)

---
updated-dependencies:
- dependency-name: upstream
  dependency-version: 72afe97fe8780c216fe1d9e89e52d78f0d73997e
  dependency-type: direct:production
...

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Author: dependabot[bot]