Bump rollup from 1.31.1 to 1.32.0

Bumps [rollup](https://github.com/rollup/rollup) from 1.31.1 to 1.32.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v1.31.1...v1.32.0)

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

Author: dependabot-preview[bot]

package.json

@@ -24,7 +24,7 @@
     "cross-env": "^5.2.0",
     "flow-bin": "^0.89.0",
     "mocha": "^6.2.2",
-    "rollup": "^1.31.1",
+    "rollup": "^1.32.0",
     "rollup-plugin-node-resolve": "^4.2.4",
     "rollup-plugin-typescript2": "^0.18.1",
     "sinon": "^7.5.0",

yarn.lock

@@ -1757,10 +1757,10 @@ rollup-pluginutils@2.3.3:
     estree-walker "^0.5.2"
     micromatch "^2.3.11"
 
-rollup@^1.31.1:
-  version "1.31.1"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.31.1.tgz#4170d6f87148d46e5fbe29b493f8f3ea3453c96f"
-  integrity sha512-2JREN1YdrS/kpPzEd33ZjtuNbOuBC3ePfuZBdKEybvqcEcszW1ckyVqzcEiEe0nE8sqHK+pbJg+PsAgRJ8+1dg==
+rollup@^1.32.0:
+  version "1.32.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.32.0.tgz#c65ce134850aca1ce595fcac07d1dc5d53bf227c"
+  integrity sha512-ab2tF5pdDqm2zuI8j02ceyrJSScl9V2C24FgWQ1v1kTFTu1UrG5H0hpP++mDZlEFyZX4k0chtGEHU2i+pAzBgA==
   dependencies:
     "@types/estree" "*"
     "@types/node" "*"