⬆ Update coverage requirement from ^6.2 to >=6.2,<8.0 (#663)

Updates the requirements on [coverage](https://github.com/nedbat/coveragepy) to permit the latest version.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](https://github.com/nedbat/coveragepy/compare/6.2...7.2.7)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:development
...

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

pyproject.toml

@@ -44,7 +44,7 @@ mkdocs-material = "9.2.7"
 pillow = "^9.3.0"
 cairosvg = "^2.5.2"
 mdx-include = "^1.4.1"
-coverage = {extras = ["toml"], version = "^6.2"}
+coverage = {extras = ["toml"], version = ">=6.2,<8.0"}
 fastapi = "^0.68.1"
 requests = "^2.26.0"
 ruff = "^0.1.2"