chore(deps-dev): bump @patternfly/documentation-framework

Bumps @patternfly/documentation-framework from 6.10.19 to 6.22.4.

---
updated-dependencies:
- dependency-name: "@patternfly/documentation-framework"
  dependency-version: 6.22.4
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]