build(deps-dev): bump rollup from 1.20.3 to 1.21.2

Bumps [rollup](https://github.com/rollup/rollup) from 1.20.3 to 1.21.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v1.20.3...v1.21.2)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

yarn.lock

@@ -108,10 +108,10 @@
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
 
-"@types/node@*", "@types/node@^12.7.2":
-  version "12.7.3"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.3.tgz#27b3f40addaf2f580459fdb405222685542f907a"
-  integrity sha512-3SiLAIBkDWDg6vFo0+5YJyHPWU9uwu40Qe+v+0MH8wRKYBimHvvAOyk3EzMrD/TrIlLYfXrqDqrg913PynrMJQ==
+"@types/node@*", "@types/node@^12.7.4":
+  version "12.7.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.4.tgz#64db61e0359eb5a8d99b55e05c729f130a678b04"
+  integrity sha512-W0+n1Y+gK/8G2P/piTkBBN38Qc5Q1ZSO6B5H3QmPCUewaiXOo2GCAWZ4ElZCcNhjJuBSUSLGFUJnmlCn5+nxOQ==
 
 "@types/normalize-package-data@^2.4.0":
   version "2.4.0"
@@ -4785,12 +4785,12 @@ rollup-pluginutils@^2.0.1, rollup-pluginutils@^2.8.1:
     estree-walker "^0.6.1"
 
 rollup@^1.15.5:
-  version "1.20.3"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.20.3.tgz#6243f6c118ca05f56b2d9433112400cd834a1eb8"
-  integrity sha512-/OMCkY0c6E8tleeVm4vQVDz24CkVgvueK3r8zTYu2AQNpjrcaPwO9hE+pWj5LTFrvvkaxt4MYIp2zha4y0lRvg==
+  version "1.21.2"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.21.2.tgz#eaabd07d0bd309587ad8bebf731fca6fcb96f4d0"
+  integrity sha512-sCAHlcQ/PExU5t/kRwkEWHdhGmQrZ2IgdQzbjPVNfhWbKHMMZGYqkASVTpQqRPLtQKg15xzEscc+BnIK/TE7/Q==
   dependencies:
     "@types/estree" "0.0.39"
-    "@types/node" "^12.7.2"
+    "@types/node" "^12.7.4"
     acorn "^7.0.0"
 
 run-node@^1.0.0: