build(deps-dev): bump the pinned-test-dependencies group across 2 directories with 1 update (#699)

Bumps the pinned-test-dependencies group with 1 update in the /repo directory: [ruff](https://github.com/astral-sh/ruff).
Bumps the pinned-test-dependencies group with 1 update in the /signer directory: [ruff](https://github.com/astral-sh/ruff).


Updates `ruff` from 0.14.5 to 0.14.6
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.14.5...0.14.6)

Updates `ruff` from 0.14.5 to 0.14.6
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.14.5...0.14.6)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.14.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pinned-test-dependencies
- dependency-name: ruff
  dependency-version: 0.14.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pinned-test-dependencies
...

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

Author: dependabot[bot]

repo/pyproject.toml

@@ -32,7 +32,7 @@ tuf-on-ci-update-targets = "tuf_on_ci:update_targets"
 [project.optional-dependencies]
 lint = [
   "mypy == 1.18.2",
-  "ruff == 0.14.5",
+  "ruff == 0.14.6",
 ]
 
 [tool.hatch.version]

signer/pyproject.toml

@@ -30,7 +30,7 @@ tuf-on-ci-sign = "tuf_on_ci_sign:sign"
 [project.optional-dependencies]
 lint = [
   "mypy == 1.18.2",
-  "ruff == 0.14.5",
+  "ruff == 0.14.6",
 ]
 
 [tool.hatch.version]