Bump highlight.js from 9.17.1 to 9.18.5

Bumps [highlight.js](https://github.com/highlightjs/highlight.js) from 9.17.1 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@9.17.1...9.18.5)

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

Author: dependabot[bot]

yarn.lock

@@ -1745,7 +1745,7 @@ growly@^1.3.0:
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
   integrity sha1-8QdIy+dq+WS3yWyTxrzCivEgwIE=
 
-handlebars@^4.5.3, handlebars@^4.7.2:
+handlebars@^4.7.2:
   version "4.7.2"
   resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.2.tgz#01127b3840156a0927058779482031afe0e730d7"
   integrity sha512-4PwqDL2laXtTWZghzzCtunQUTLbo31pcCJrd/B/9JP8XbhVzpS5ZXuKqlOzsd1rtcaLo4KqAn8nl8mkknS4MHw==
@@ -1818,11 +1818,9 @@ has@^1.0.3:
     function-bind "^1.1.1"
 
 highlight.js@^9.17.1:
-  version "9.17.1"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.17.1.tgz#14a4eded23fd314b05886758bb906e39dd627f9a"
-  integrity sha512-TA2/doAur5Ol8+iM3Ov7qy3jYcr/QiJ2eDTdRF4dfbjG7AaaB99J5G+zSl11ljbl6cIcahgPY6SKb3sC3EJ0fw==
-  dependencies:
-    handlebars "^4.5.3"
+  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 "2.8.5"