Bump highlight.js from 9.18.1 to 9.18.5

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 9.18.1 to 9.18.5.
- [Release notes](https://github.com/highlightjs/highlight.js/releases)
- [Changelog](https://github.com/highlightjs/highlight.js/blob/9.18.5/CHANGES.md)
- [Commits](https://github.com/highlightjs/highlight.js/compare/9.18.1...9.18.5)

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

yarn.lock

@@ -3298,9 +3298,9 @@ helper-md@^0.2.2:
     remarkable "^1.6.2"
 
 highlight.js@^9.12.0:
-  version "9.18.1"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.18.1.tgz#ed21aa001fe6252bb10a3d76d47573c6539fe13c"
-  integrity sha512-OrVKYz70LHsnCgmbXctv/bfuvntIKDz177h0Co37DQ5jamGZLVmoCVMtjMtNZY3X9DrCcKfklHPNeA0uPZhSJg==
+  version "9.18.5"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.18.5.tgz#d18a359867f378c138d6819edfc2a8acd5f29825"
+  integrity sha512-a5bFyofd/BHCX52/8i8uJkjr9DYwXIPnM/plwI6W7ezItLGqzt7X2G2nXuYSfsIJdkwwj/g9DG1LkcGJI/dDoA==
 
 hosted-git-info@^2.1.4:
   version "2.8.8"