Bump highlight.js from 9.16.2 to 9.18.5

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 9.16.2 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@9.16.2...9.18.5)

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

Author: dependabot[bot]

yarn.lock

@@ -5898,9 +5898,9 @@ he@1.2.0, he@^1.1.0:
   integrity sha1-hK5l+n6vsWX922FWauFLrwVmTw8=
 
 highlight.js@^9.15.5, highlight.js@^9.16.2:
-  version "9.16.2"
-  resolved "https://registry.npm.taobao.org/highlight.js/download/highlight.js-9.16.2.tgz#68368d039ffe1c6211bcc07e483daf95de3e403e"
-  integrity sha1-aDaNA5/+HGIRvMB+SD2vld4+QD4=
+  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==
 
 hmac-drbg@^1.0.0:
   version "1.0.1"