build(deps-dev): bump @patternfly/patternfly-a11y from 5.0.0 to 5.1.0

Bumps [@patternfly/patternfly-a11y](https://github.com/patternfly/patternfly-a11y) from 5.0.0 to 5.1.0.
- [Release notes](https://github.com/patternfly/patternfly-a11y/releases)
- [Commits](patternfly/patternfly-a11y@v5.0.0...v5.1.0)

---
updated-dependencies:
- dependency-name: "@patternfly/patternfly-a11y"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -46,7 +46,7 @@
     "@patternfly/documentation-framework": "^6.5.11",
     "@patternfly/patternfly": "^6.0.0",
     "@patternfly/react-code-editor": "^6.0.0",
-    "@patternfly/patternfly-a11y": "^5.0.0",
+    "@patternfly/patternfly-a11y": "^5.1.0",
     "@types/react": "^18.3.18",
     "@types/react-dom": "^18.3.5",
     "@types/react-router-dom": "^5.3.3",