chore(deps-dev): bump rollup from 1.27.14 to 1.28.0 (#527)

Author: dependabot-preview[bot]

package.json

@@ -92,7 +92,7 @@
     "markdownlint-cli": "0.20.0",
     "npm-run-all": "4.1.5",
     "prettier": "1.19.1",
-    "rollup": "1.27.14",
+    "rollup": "1.28.0",
     "sort-package-json": "1.36.0"
   },
   "publishConfig": {