fix(deps): update docusaurus dependencies

Author: renovate[bot]

package.json

@@ -22,13 +22,13 @@
     "link": "npm install --install-links ../serenity-js/packages/*"
   },
   "dependencies": {
-    "@docusaurus/core": "3.7.0",
-    "@docusaurus/plugin-client-redirects": "3.7.0",
-    "@docusaurus/plugin-content-docs": "3.7.0",
-    "@docusaurus/plugin-ideal-image": "3.7.0",
-    "@docusaurus/preset-classic": "3.7.0",
-    "@docusaurus/remark-plugin-npm2yarn": "3.7.0",
-    "@docusaurus/theme-mermaid": "3.7.0",
+    "@docusaurus/core": "3.9.1",
+    "@docusaurus/plugin-client-redirects": "3.9.1",
+    "@docusaurus/plugin-content-docs": "3.9.1",
+    "@docusaurus/plugin-ideal-image": "3.9.1",
+    "@docusaurus/preset-classic": "3.9.1",
+    "@docusaurus/remark-plugin-npm2yarn": "3.9.1",
+    "@docusaurus/theme-mermaid": "3.9.1",
     "@giscus/react": "3.1.0",
     "@mdx-js/react": "3.1.0",
     "@serenity-js/assertions": "3.35.1",
@@ -57,15 +57,15 @@
     "react-markdown": "9.1.0",
     "sass": "1.89.2",
     "tiny-types": "1.24.1",
-    "typedoc": "0.27.6",
-    "typedoc-plugin-mdn-links": "4.0.11",
-    "typedoc-plugin-replace-text": "4.1.0"
+    "typedoc": "0.28.13",
+    "typedoc-plugin-mdn-links": "4.0.15",
+    "typedoc-plugin-replace-text": "4.2.0"
   },
   "devDependencies": {
-    "@docusaurus/module-type-aliases": "3.7.0",
-    "@docusaurus/tsconfig": "3.7.0",
-    "@docusaurus/types": "3.7.0",
-    "typescript": "5.7.3",
+    "@docusaurus/module-type-aliases": "3.9.1",
+    "@docusaurus/tsconfig": "3.9.1",
+    "@docusaurus/types": "3.9.1",
+    "typescript": "5.9.2",
     "unist-util-visit": "5.0.0"
   },
   "browserslist": {