Bump rollup from 2.3.0 to 2.3.1 (prettier#7913)

Bumps [rollup](https://github.com/rollup/rollup) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.3.0...v2.3.1)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -99,7 +99,7 @@
     "jest-watch-typeahead": "0.4.2",
     "prettier": "2.0.2",
     "rimraf": "3.0.2",
-    "rollup": "2.3.0",
+    "rollup": "2.3.1",
     "rollup-plugin-babel": "4.4.0",
     "rollup-plugin-node-globals": "1.4.0",
     "rollup-plugin-terser": "5.3.0",

yarn.lock

@@ -6901,10 +6901,10 @@ rollup-pluginutils@^2.3.1, rollup-pluginutils@^2.8.1, rollup-pluginutils@^2.8.2:
   dependencies:
     estree-walker "^0.6.1"
 
-rollup@2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.3.0.tgz#0b9e1c19bea22464958854dae646b8b40d2d3ed5"
-  integrity sha512-nIq2Z9YwNbEfqTlAXe/tVl8CwUsjX/8Q5Jxlx+JRoYCu5keKLc6k0zyt11sM6WtCDxhmmJEIosFy9y26ZFRx6w==
+rollup@2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.3.1.tgz#844c5cdf88d212ff7e59212088c37eacc521a2f9"
+  integrity sha512-BRjzOauORe+R0U0I6SkMTSG22nYmtztR/TaBl0SvbXgc3VAxBDrZoB6HROiK0S5px1pUBnLnjBkbzmVuwC9Q1Q==
   optionalDependencies:
     fsevents "~2.1.2"