Update docusaurus (#1775)

Markdown option modified because of:

```
[WARNING] The `siteConfig.onBrokenMarkdownLinks` config option is deprecated and will be removed in Docusaurus v4.
Please migrate and move this option to `siteConfig.markdown.hooks.onBrokenMarkdownLinks` instead.
```

Author: jasagredo

.github/workflows/documentation.yml

@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
-          node-version: 18
+          node-version: 20
           cache: yarn
           cache-dependency-path: './docs/website/yarn.lock'
 

docs/website/docusaurus.config.js

@@ -27,7 +27,6 @@ const config = {
   projectName: 'ouroboros-consensus',
 
   onBrokenLinks: 'throw',
-  onBrokenMarkdownLinks: 'warn',
 
   // Even if you don't use internalization, you can use this field to set useful
   // metadata like html lang. For example, if your site is Chinese, you may want
@@ -42,6 +41,9 @@ const config = {
       // We don't want to use MDX, as this requires escaping `<` and `{` symbols, which is quite inconvenient.
       // See: https://docusaurus.io/docs/markdown-features#mdx-vs-commonmark
     format: 'detect',
+    hooks: {
+        onBrokenMarkdownLinks: 'warn',
+    },
   },
 
   themes: ['@docusaurus/theme-mermaid'],

docs/website/package.json

@@ -15,21 +15,21 @@
     "write-heading-ids": "docusaurus write-heading-ids"
   },
   "dependencies": {
-    "@docusaurus/core": "^3.7.0",
-    "@docusaurus/plugin-client-redirects": "3.7.0",
-    "@docusaurus/preset-classic": "^3.7.0",
-    "@docusaurus/theme-mermaid": "^3.7.0",
-    "@mdx-js/react": "^3.0.1",
+    "@docusaurus/core": "^3.9.2",
+    "@docusaurus/plugin-client-redirects": "3.9.2",
+    "@docusaurus/preset-classic": "^3.9.2",
+    "@docusaurus/theme-mermaid": "^3.9.2",
+    "@mdx-js/react": "^3.1.1",
     "clsx": "^2.1.1",
     "hast-util-is-element": "3.0.0",
     "prism-react-renderer": "^2.4.1",
-    "react": "19.1.0",
-    "react-dom": "19.1.0",
+    "react": "19.2.0",
+    "react-dom": "19.2.0",
     "rehype-katex": "7.0.1",
     "remark-math": "6.0.0"
   },
   "devDependencies": {
-    "@docusaurus/module-type-aliases": "3.7.0"
+    "@docusaurus/module-type-aliases": "3.9.2"
   },
   "browserslist": {
     "production": [