Update dependency rollup to v1.28.0 (#269)

Author: renovate-bot

package.json

@@ -57,7 +57,7 @@
     "npm-run-all": "4.1.5",
     "prettier": "1.19.1",
     "rimraf": "3.0.0",
-    "rollup": "1.27.14",
+    "rollup": "1.28.0",
     "sirv-cli": "0.4.5",
     "tslint": "5.20.1",
     "typescript": "3.7.4"

yarn.lock

@@ -3533,10 +3533,10 @@ rimraf@^2.6.3:
   dependencies:
     glob "^7.1.3"
 
-rollup@1.27.14:
-  version "1.27.14"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.27.14.tgz#940718d5eec1a6887e399aa0089944bae5c4f377"
-  integrity sha512-DuDjEyn8Y79ALYXMt+nH/EI58L5pEw5HU9K38xXdRnxQhvzUTI/nxAawhkAHUQeudANQ//8iyrhVRHJBuR6DSQ==
+rollup@1.28.0:
+  version "1.28.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.28.0.tgz#d576a6a0fd7490b2e1f531ef8b411795fb80da87"
+  integrity sha512-v2J/DmQi9+Nf6frGqzwZRvbiuTTrqH0yzoUF4Eybf8sONT4UpLZzJYnYzW96Zm9X1+4SJmijfnFBWCzHDAXYnQ==
   dependencies:
     "@types/estree" "*"
     "@types/node" "*"