build(deps): bump github-markdown-css from 5.1.0 to 5.5.1

Bumps [github-markdown-css](https://github.com/sindresorhus/github-markdown-css) from 5.1.0 to 5.5.1.
- [Release notes](https://github.com/sindresorhus/github-markdown-css/releases)
- [Commits](sindresorhus/github-markdown-css@v5.1.0...v5.5.1)

---
updated-dependencies:
- dependency-name: github-markdown-css
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -67,7 +67,7 @@
     "bytemd": "^1.10.13",
     "dayjs": "^1.10.7",
     "events": "^3.3.0",
-    "github-markdown-css": "^5.1.0",
+    "github-markdown-css": "^5.5.1",
     "log4js": "^6.4.1",
     "matrix-files-sdk": "^3.1.0",
     "matrix-js-sdk": "^30.1.0",

yarn.lock

@@ -2799,10 +2799,10 @@ get-symbol-description@^1.0.0:
     call-bind "^1.0.2"
     get-intrinsic "^1.1.1"
 
-github-markdown-css@^5.1.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/github-markdown-css/-/github-markdown-css-5.1.0.tgz#a96281cd90a8969e3c13b9d3ca6a733a523a00a6"
-  integrity sha512-QLtORwHHtUHhPMHu7i4GKfP6Vx5CWZn+NKQXe+cBhslY1HEt0CTEkP4d/vSROKV0iIJSpl4UtlQ16AD8C6lMug==
+github-markdown-css@^5.5.1:
+  version "5.5.1"
+  resolved "https://registry.yarnpkg.com/github-markdown-css/-/github-markdown-css-5.5.1.tgz#c2a609ca0b067552c8bfc09e797ace20d614f515"
+  integrity sha512-2osyhNgFt7DEHnGHbgIifWawAqlc68gjJiGwO1xNw/S48jivj8kVaocsVkyJqUi3fm7fdYIDi4C6yOtcqR/aEQ==
 
 glob-parent@^5.1.2, glob-parent@~5.1.2:
   version "5.1.2"