Bump rollup from 2.79.2 to 2.80.0 in /webapp

Bumps [rollup](https://github.com/rollup/rollup) from 2.79.2 to 2.80.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/v2.80.0/CHANGELOG.md)
- [Commits](rollup/rollup@v2.79.2...v2.80.0)

---
updated-dependencies:
- dependency-name: rollup
  dependency-version: 2.80.0
  dependency-type: indirect
...

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

Author: dependabot[bot]

webapp/yarn.lock

@@ -10606,9 +10606,9 @@ rollup-plugin-terser@^7.0.0:
     terser "^5.0.0"
 
 rollup@^2.43.1:
-  version "2.79.2"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.79.2.tgz#f150e4a5db4b121a21a747d762f701e5e9f49090"
-  integrity sha512-fS6iqSPZDs3dr/y7Od6y5nha8dW1YnbgtsyotCVvoFGKbERG++CVRFv1meyGDE1SNItQA8BrnCw7ScdAhRJ3XQ==
+  version "2.80.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.80.0.tgz#a82efc15b748e986a7c76f0f771221b1fa108a2c"
+  integrity sha512-cIFJOD1DESzpjOBl763Kp1AH7UE/0fcdHe6rZXUdQ9c50uvgigvW97u3IcSeBwOkgqL/PXPBktBCh0KEu5L8XQ==
   optionalDependencies:
     fsevents "~2.3.2"