Update dependency rollup to v2.12.0 (#368)

Author: renovate-bot

package.json

@@ -57,7 +57,7 @@
     "npm-run-all": "4.1.5",
     "prettier": "2.0.4",
     "rimraf": "3.0.2",
-    "rollup": "2.6.1",
+    "rollup": "2.12.0",
     "sirv-cli": "0.4.5",
     "typescript": "3.8.3"
   },

yarn.lock

@@ -3621,10 +3621,10 @@ rimraf@^3.0.0:
   dependencies:
     glob "^7.1.3"
 
-rollup@2.6.1:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.6.1.tgz#8354e67caa7b8bf24c2488d9e2f64da2be62eebe"
-  integrity sha512-1RhFDRJeg027YjBO6+JxmVWkEZY0ASztHhoEUEWxOwkh4mjO58TFD6Uo7T7Y3FbmDpRTfKhM5NVxJyimCn0Elg==
+rollup@2.12.0:
+  version "2.12.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.12.0.tgz#12d49d1db23020f75184da725d064d3db5245678"
+  integrity sha512-vKwc/xFkZGM9DRai3Eztpr/4g0yYDgNKVq8tLXhq/aSLbR+/EVL6rTjEW9bgWgeYEIKoN66/5w2Bjv1gzyHR/w==
   optionalDependencies:
     fsevents "~2.1.2"