Bump showdown-highlight from 2.1.8 to 3.1.0

Bumps [showdown-highlight](https://github.com/Bloggify/showdown-highlight) from 2.1.8 to 3.1.0.
- [Release notes](https://github.com/Bloggify/showdown-highlight/releases)
- [Commits](Bloggify/showdown-highlight@2.1.8...3.1.0)

---
updated-dependencies:
- dependency-name: showdown-highlight
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -32,7 +32,7 @@
         "obsidian": "https://github.com/obsidianmd/obsidian-api/tarball/master",
         "rollup": "^2.32.1",
         "rollup-plugin-node-polyfills": "^0.2.1",
-        "showdown-highlight": "^2.1.5",
+        "showdown-highlight": "^3.1.0",
         "ts-node": "^10.9.1",
         "tslib": "^2.0.3",
         "typescript": "^4.9.5",