build(deps): bump handlebars from 4.7.8 to 4.7.9 in /ui

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: indirect
...

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

Author: dependabot[bot]

ui/yarn.lock

@@ -9208,9 +9208,9 @@ growly@^1.3.0:
   integrity sha512-+xGQY0YyAWCnqy7Cd++hc2JqMYzlm0dG30Jd0beaA64sROr8C4nt8Yc9V5Ro3avlSUDTN0ulqP/VBKi1/lLygw==
 
 handlebars@^4.0.13, handlebars@^4.0.4, handlebars@^4.3.1, handlebars@^4.4.2, handlebars@^4.7.3:
-  version "4.7.8"
-  resolved "https://registry.npmjs.org/handlebars/-/handlebars-4.7.8.tgz#41c42c18b1be2365439188c77c6afae71c0cd9e9"
-  integrity sha512-vafaFqs8MZkRrSX7sFVUdo3ap/eNiLnb4IakshzvP56X5Nr1iGKAIqdX6tMlm6HcNRIkr6AxO5jFEoJzzpT8aQ==
+  version "4.7.9"
+  resolved "https://registry.npmjs.org/handlebars/-/handlebars-4.7.9.tgz#6f139082ab58dc4e5a0e51efe7db5ae890d56a0f"
+  integrity sha512-4E71E0rpOaQuJR2A3xDZ+GM1HyWYv1clR58tC8emQNeQe3RH7MAzSbat+V0wG78LQBo6m6bzSG/L4pBuCsgnUQ==
   dependencies:
     minimist "^1.2.5"
     neo-async "^2.6.2"