build(deps): 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:production
...

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

Author: dependabot[bot]

package.json

@@ -10,7 +10,7 @@
   "repository": "pillarjs/hbs",
   "main": "lib/hbs.js",
   "dependencies": {
-    "handlebars": "4.7.8",
+    "handlebars": "4.7.9",
     "walk": "2.3.15"
   },
   "devDependencies": {