fix(deps): update dependency rehype-autolink-headings to v7

Author: renovate[bot]

package.json

@@ -49,7 +49,7 @@
     "react": "18.3.1",
     "react-dom": "18.3.1",
     "reading-time": "1.5.0",
-    "rehype-autolink-headings": "6.1.1",
+    "rehype-autolink-headings": "7.1.0",
     "rehype-pretty-code": "0.10.1",
     "rehype-slug": "6.0.0",
     "remark-gfm": "3.0.1",