chore: bump coverage[toml] from 7.6.1 to 7.6.3

Bumps [coverage[toml]](https://github.com/nedbat/coveragepy) from 7.6.1 to 7.6.3.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.1...7.6.3)

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

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

test-requirements.txt

@@ -26,7 +26,7 @@ click==8.1.7
     # via typer
 codespell==2.3.0
     # via -r test-requirements.in
-coverage[toml]==7.6.1
+coverage[toml]==7.6.3
     # via -r test-requirements.in
 cryptography==43.0.1
     # via paramiko