build(deps): bump coverage from 6.1.1 to 6.1.2

Bumps [coverage](https://github.com/nedbat/coveragepy) from 6.1.1 to 6.1.2.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@6.1.1...6.1.2)

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

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

Author: dependabot[bot]

requirements-dev.txt

@@ -1,4 +1,4 @@
-coverage == 6.1.1
+coverage == 6.1.2
 freezegun == 1.1.0
 mypy == 0.910
 pre-commit == 2.15.0