Bump yamlfix from 1.18.0 to 1.19.0

Bumps [yamlfix](https://github.com/lyz-code/yamlfix) from 1.18.0 to 1.19.0.
- [Changelog](https://github.com/lyz-code/yamlfix/blob/main/CHANGELOG.md)
- [Commits](https://github.com/lyz-code/yamlfix/commits)

---
updated-dependencies:
- dependency-name: yamlfix
  dependency-version: 1.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -103,7 +103,7 @@ optional-dependencies.dev = [
     "vws-python==2025.3.10.1",
     "vws-test-fixtures==2023.3.5",
     "vws-web-tools==2024.10.6.1",
-    "yamlfix==1.18.0",
+    "yamlfix==1.19.0",
 ]
 optional-dependencies.release = [ "check-wheel-contents==0.6.3" ]
 urls.Documentation = "https://vws-python.github.io/vws-python-mock/"