build(deps-dev): Bump handlebars from 4.7.8 to 4.7.9

Bumps [handlebars](https://github.com/handlebars-lang/handlebars.js) from 4.7.8 to 4.7.9.
- [Release notes](https://github.com/handlebars-lang/handlebars.js/releases)
- [Changelog](https://github.com/handlebars-lang/handlebars.js/blob/v4.7.9/release-notes.md)
- [Commits](handlebars-lang/handlebars.js@v4.7.8...v4.7.9)

---
updated-dependencies:
- dependency-name: handlebars
  dependency-version: 4.7.9
  dependency-type: direct:development
...

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

Author: dependabot[bot]

internal/documentation/package.json

@@ -49,7 +49,7 @@
 	},
 	"devDependencies": {
 		"@apidevtools/json-schema-ref-parser": "^14.2.1",
-		"handlebars": "^4.7.8",
+		"handlebars": "^4.7.9",
 		"jsdoc": "^4.0.4",
 		"open-cli": "^8.0.0",
 		"traverse": "^0.6.11"