Build(deps): Bump coverage from 7.1.0 to 7.2.1 in /dependencies/default

Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.1.0 to 7.2.1.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.1.0...7.2.1)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

dependencies/default/constraints.txt

@@ -1,6 +1,6 @@
 async-generator==1.10
 attrs==22.2.0
-coverage==7.1.0
+coverage==7.2.1
 exceptiongroup==1.1.0
 flaky==3.7.0
 hypothesis==6.68.2