Bump github.com/apple/swift-log from 1.5.3 to 1.5.4

Bumps [github.com/apple/swift-log](https://github.com/apple/swift-log) from 1.5.3 to 1.5.4.
- [Release notes](https://github.com/apple/swift-log/releases)
- [Commits](apple/swift-log@1.5.3...1.5.4)

---
updated-dependencies:
- dependency-name: github.com/apple/swift-log
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]