build(deps-dev): bump rollup from 1.20.0 to 1.20.2

Bumps [rollup](https://github.com/rollup/rollup) from 1.20.0 to 1.20.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v1.20.0...v1.20.2)

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

yarn.lock

@@ -4986,9 +4986,9 @@ rollup-pluginutils@^2.8.1:
     estree-walker "^0.6.1"
 
 rollup@^1.11.3:
-  version "1.20.0"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.20.0.tgz#3799e4cd2f48c0a068d87af575956d8d72c9447a"
-  integrity sha512-zW80j9RSJ0VV0VOxP1i7cF279+IlAaD49Ihwqb87PDR0555Fvk10HKmh2yUtXCdBb37bELuhHWZTJc4uoCo8Vw==
+  version "1.20.2"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.20.2.tgz#0e1be13cb5de244c9c463027092f7c93461558b9"
+  integrity sha512-pF4jFzNWMUuudIAeiTgOcSxn8XkBN2Y2/IwPR7iL/IZ8k9RwoLyp2QwNWiYT+HF537zwpmzZHTBYw345H9vq1A==
   dependencies:
     "@types/estree" "0.0.39"
     "@types/node" "^12.7.2"