Bump the python-dependencies group with 3 updates (#295)

Bumps the python-dependencies group with 3 updates: [pytest](https://github.com/pytest-dev/pytest), [mypy](https://github.com/python/mypy) and [ruff](https://github.com/astral-sh/ruff).


Updates `pytest` from 8.4.0 to 8.4.1
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.4.0...8.4.1)

Updates `mypy` from 1.16.0 to 1.16.1
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.16.0...v1.16.1)

Updates `ruff` from 0.11.13 to 0.12.0
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.11.13...0.12.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-dependencies
- dependency-name: mypy
  dependency-version: 1.16.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-dependencies
- dependency-name: ruff
  dependency-version: 0.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-dependencies
...

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

Author: dependabot[bot]

pyproject.toml

@@ -7,15 +7,15 @@ name = "tuf-conformance"
 dependencies = [
     "securesystemslib[crypto]==1.3.0",
     "tuf==6.0.0",
-    "pytest==8.4.0"
+    "pytest==8.4.1"
 ]
 dynamic = ["version"]
 requires-python = ">= 3.10"
 
 [project.optional-dependencies]
 lint = [
-    "mypy==1.16.0",
-    "ruff==0.11.13"
+    "mypy==1.16.1",
+    "ruff==0.12.0"
 ]
 
 [tool.hatch.version]