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](highlightjs/highlight.js@9.18.1...9.18.5)

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

Author: dependabot[bot]

yarn.lock

@@ -4188,9 +4188,9 @@ heimdalljs@^0.2.5, heimdalljs@^0.2.6:
     rsvp "~3.2.1"
 
 highlight.js@^9.6.0:
-  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==
 
 homedir-polyfill@^1.0.1:
   version "1.0.3"