Bump rollup from 3.20.7 to 3.21.5

Bumps [rollup](https://github.com/rollup/rollup) from 3.20.7 to 3.21.5.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v3.20.7...v3.21.5)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

yarn.lock

@@ -5323,9 +5323,9 @@ rollup-pluginutils@^2.8.2:
     estree-walker "^0.6.1"
 
 rollup@^3.18.0:
-  version "3.20.7"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-3.20.7.tgz#4f045dfb388abe08dd159f8cd286dcaca1e80b28"
-  integrity sha512-P7E2zezKSLhWnTz46XxjSmInrbOCiul1yf+kJccMxT56vxjHwCbDfoLbiqFgu+WQoo9ij2PkraYaBstgB2prBA==
+  version "3.21.5"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-3.21.5.tgz#1fbae43dc1079497b04604707f1cf979e51bfe49"
+  integrity sha512-a4NTKS4u9PusbUJcfF4IMxuqjFzjm6ifj76P54a7cKnvVzJaG12BLVR+hgU2YDGHzyMMQNxLAZWuALsn8q2oQg==
   optionalDependencies:
     fsevents "~2.3.2"