Bump coverage[toml] from 7.2.5 to 7.2.6 (#633)

Bumps [coverage[toml]](https://github.com/nedbat/coveragepy) from 7.2.5 to 7.2.6.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.2.5...7.2.6)

---
updated-dependencies:
- dependency-name: coverage[toml]
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements-dev.txt

@@ -1,7 +1,7 @@
 -r docs/requirements.txt
 django==4.2.1
 black==23.3.0
-coverage[toml]==7.2.5
+coverage[toml]==7.2.6
 tox==4.5.1
 setuptools==67.8.0
 twine==4.0.2