build(deps): bump rumdl from 0.2.5 to 0.2.22 in /dev-tools

Bumps [rumdl](https://github.com/rvben/rumdl) from 0.2.5 to 0.2.22.
- [Release notes](https://github.com/rvben/rumdl/releases)
- [Changelog](https://github.com/rvben/rumdl/blob/main/CHANGELOG.md)
- [Commits](rvben/rumdl@v0.2.5...v0.2.22)

---
updated-dependencies:
- dependency-name: rumdl
  dependency-version: 0.2.22
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

dev-tools/pyproject.toml

@@ -16,7 +16,7 @@ dev = [
   # validates bash
   "shellcheck-py==0.11.0.1",
   # validates markdown
-  "rumdl==0.2.5",
+  "rumdl==0.2.22",
   # validates python
   "ruff==0.15.15",
   # validates various