Merge pull request #762 from ui-router/dependabot/npm_and_yarn/rollup-2.6.1

Author: dependabot-preview[bot]

yarn.lock

@@ -5285,9 +5285,9 @@ rollup@^1.12.1:
     acorn "^7.1.0"
 
 rollup@^2.0.6:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.3.3.tgz#5982df700d7aae8907075ba68122bb57d98e9cd0"
-  integrity sha512-uJ9VNWk80mb4wDCSfd1AyHoSc9TrWbkZtnO6wbsMTp9muSWkT26Dvc99MX1yGCOTvUN1Skw/KpFzKdUDuZKTXA==
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.6.1.tgz#8354e67caa7b8bf24c2488d9e2f64da2be62eebe"
+  integrity sha512-1RhFDRJeg027YjBO6+JxmVWkEZY0ASztHhoEUEWxOwkh4mjO58TFD6Uo7T7Y3FbmDpRTfKhM5NVxJyimCn0Elg==
   optionalDependencies:
     fsevents "~2.1.2"