fix: packages/react-docs/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-DOMPURIFY-15810938

Author: snyk-bot

packages/react-docs/package.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "@patternfly/patternfly": "6.5.0-prerelease.55",
     "@patternfly/react-charts": "workspace:^",
-    "@patternfly/react-code-editor": "workspace:^",
+    "@patternfly/react-code-editor": "4.1.0",
     "@patternfly/react-core": "workspace:^",
     "@patternfly/react-drag-drop": "workspace:^",
     "@patternfly/react-icons": "workspace:^",