build(deps): bump the test-and-lint-dependencies group with 2 updates

Bumps the test-and-lint-dependencies group with 2 updates: [coverage](https://github.com/coveragepy/coveragepy) and [mypy](https://github.com/python/mypy).


Updates `coverage` from 7.13.5 to 7.14.0
- [Release notes](https://github.com/coveragepy/coveragepy/releases)
- [Changelog](https://github.com/coveragepy/coveragepy/blob/main/CHANGES.rst)
- [Commits](https://github.com/coveragepy/coveragepy/compare/7.13.5...7.14.0)

Updates `mypy` from 1.20.2 to 2.1.0
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](https://github.com/python/mypy/compare/v1.20.2...v2.1.0)

---
updated-dependencies:
- dependency-name: coverage
  dependency-version: 7.14.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: test-and-lint-dependencies
- dependency-name: mypy
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: test-and-lint-dependencies
...

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

requirements/lint.txt

@@ -7,7 +7,7 @@
 # (We are not so interested in the specific versions of the tools: the versions
 # are pinned to prevent unexpected linting failures when tools update)
 ruff==0.15.12
-mypy==1.20.2
+mypy==2.1.0
 zizmor==1.24.1
 
 # Required for type stubs

requirements/test.txt

@@ -4,5 +4,5 @@
 -r pinned.txt
 
 # coverage measurement
-coverage[toml]==7.13.5
+coverage[toml]==7.14.0
 freezegun==1.5.5