fix(deps): update dependency node-html-markdown to v2 (#4835)

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

Author: renovate[bot]

spring-boot-admin-docs/src/site/package-lock.json

@@ -22,7 +22,7 @@
     "dotenv": "^17.0.0",
     "glob": "^11.0.0",
     "lodash.merge": "^4.6.2",
-    "node-html-markdown": "^1.3.0",
+    "node-html-markdown": "^2.0.0",
     "prism-react-renderer": "^2.4.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",