build(deps-dev): update @patternfly/documentation-framework requirement

Updates the requirements on @patternfly/documentation-framework to permit the latest version.

---
updated-dependencies:
- dependency-name: "@patternfly/documentation-framework"
  dependency-version: 6.28.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

packages/module/package.json

@@ -43,7 +43,7 @@
     "react-dom": "^17 || ^18 || ^19"
   },
   "devDependencies": {
-    "@patternfly/documentation-framework": "^6.24.2",
+    "@patternfly/documentation-framework": "^6.28.4",
     "@patternfly/patternfly": "^6.4.0",
     "@patternfly/react-code-editor": "^6.4.0",
     "@patternfly/patternfly-a11y": "^5.1.0",