build(deps): bump zizmor in the test-and-lint-dependencies group

Bumps the test-and-lint-dependencies group with 1 update: [zizmor](https://github.com/zizmorcore/zizmor).


Updates `zizmor` from 1.16.3 to 1.19.0
- [Release notes](https://github.com/zizmorcore/zizmor/releases)
- [Changelog](https://github.com/zizmorcore/zizmor/blob/main/docs/release-notes.md)
- [Commits](zizmorcore/zizmor@v1.16.3...v1.19.0)

---
updated-dependencies:
- dependency-name: zizmor
  dependency-version: 1.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: test-and-lint-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/lint.txt

@@ -8,7 +8,7 @@
 # are pinned to prevent unexpected linting failures when tools update)
 ruff==0.14.10
 mypy==1.19.1
-zizmor==1.16.3
+zizmor==1.19.0
 
 # Required for type stubs
 freezegun==1.5.5