Bump rollup from 2.18.0 to 2.18.1

Bumps [rollup](https://github.com/rollup/rollup) from 2.18.0 to 2.18.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.18.0...v2.18.1)

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

Author: dependabot-preview[bot]

package.json

@@ -87,7 +87,7 @@
         "jest": "26.1.0",
         "jest-cli": "26.1.0",
         "prettier": "2.0.5",
-        "rollup": "2.18.0",
+        "rollup": "2.18.1",
         "rollup-plugin-terser": "6.1.0",
         "rollup-plugin-typescript2": "0.27.1",
         "typescript": "3.9.5"

yarn.lock

@@ -4432,10 +4432,10 @@ [email protected]:
     resolve "1.15.1"
     tslib "1.11.2"
 
-[email protected].0:
-  version "2.18.0"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.18.0.tgz#f03801e5dd01415e5675dcf61c824ea493ca0392"
-  integrity sha512-LhuQQp3WpnHo3HlKCRrdMXpB6jdLsGOoXXSfMjbv74s5VdV3WZhkYJT0Z6w/EH3UgPH+g/S9T4GJrKW/5iD8TA==
+[email protected].1:
+  version "2.18.1"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.18.1.tgz#1662c679da5dfc89ec6fda75951a2bcca1a4f77d"
+  integrity sha512-w4X77ADA+WTGlapC8Z6yggdJtODw3SBl6R2LSkA7ZW5MtdkgcB7sfaSD1UWyx8diXbMcGIb0eI9gCx/dyqOgNQ==
   optionalDependencies:
     fsevents "~2.1.2"