fix(deps): update dependency rehype-prism-plus to ~1.4.0 (#187)

Author: renovate[bot]

package.json

@@ -59,7 +59,7 @@
     "react-markdown": "~8.0.0",
     "rehype-attr": "~2.0.7",
     "rehype-autolink-headings": "~6.1.1",
-    "rehype-prism-plus": "~1.3.2",
+    "rehype-prism-plus": "~1.4.0",
     "rehype-raw": "~6.1.1",
     "rehype-rewrite": "~3.0.6",
     "rehype-slug": "~5.0.1",