chore(deps): update dependency @patternfly/documentation-framework to ^6.19.0 (patternfly#11972)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/react-docs/package.json

@@ -37,7 +37,7 @@
     "victory": "^37.3.6"
   },
   "devDependencies": {
-    "@patternfly/documentation-framework": "^6.16.1",
+    "@patternfly/documentation-framework": "^6.19.0",
     "@patternfly/patternfly-a11y": "5.1.0"
   },
   "keywords": [