Update dependency katex to v0.18.4 (forgejo) (#13910)

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/13910
Reviewed-by: Gusted <gusted@noreply.codeberg.org>

Author: viceice-bot

package-lock.json

@@ -54,7 +54,7 @@
     "htmx.org": "2.0.10",
     "idiomorph": "0.3.0",
     "jquery": "3.7.1",
-    "katex": "0.18.2",
+    "katex": "0.18.4",
     "mermaid": "11.16.1",
     "mini-css-extract-plugin": "2.10.0",
     "minimatch": "10.2.6",