Bump the python-dependencies group with 2 updates (#309)

Bumps the python-dependencies group with 2 updates: [pytest](https://github.com/pytest-dev/pytest) and [ruff](https://github.com/astral-sh/ruff).


Updates `pytest` from 8.4.1 to 8.4.2
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.4.1...8.4.2)

Updates `ruff` from 0.12.11 to 0.12.12
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.12.11...0.12.12)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-dependencies
- dependency-name: ruff
  dependency-version: 0.12.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-dependencies
...

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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==8.4.1"
+    "pytest==8.4.2"
 ]
 dynamic = ["version"]
 requires-python = ">= 3.10"
 
 [project.optional-dependencies]
 lint = [
     "mypy==1.17.1",
-    "ruff==0.12.11"
+    "ruff==0.12.12"
 ]
 
 [tool.hatch.version]