Update dependency rollup to v2 (#16)

Co-authored-by: Renovate Bot <[email protected]>

package.json

@@ -54,7 +54,7 @@
     "release-it": "12.6.3",
     "release-it-plugin-esm-bundle": "2.0.0",
     "rimraf": "3.0.2",
-    "rollup": "1.32.1",
+    "rollup": "2.0.0",
     "rollup-cli": "1.0.9",
     "rollup-plugin-terser": "5.2.0"
   },

yarn.lock

@@ -554,11 +554,6 @@
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
   integrity sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==
 
-"@types/estree@*":
-  version "0.0.42"
-  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.42.tgz#8d0c1f480339efedb3e46070e22dd63e0430dd11"
-  integrity sha512-K1DPVvnBCPxzD+G51/cxVIoc2X8uUVl1zpJeE6iKcgHMj4+tbat5Xu4TjV7v2QSDbIeAfLi2hIk+u2+s0MlpUQ==
-
 "@types/[email protected]":
   version "0.0.39"
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
@@ -4819,14 +4814,12 @@ rollup-pluginutils@^2.8.2:
   dependencies:
     estree-walker "^0.6.1"
 
-[email protected]:
-  version "1.32.1"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.32.1.tgz#4480e52d9d9e2ae4b46ba0d9ddeaf3163940f9c4"
-  integrity sha512-/2HA0Ec70TvQnXdzynFffkjA6XN+1e2pEv/uKS5Ulca40g2L7KuOE3riasHoNVHOsFD5KKZgDsMk1CP3Tw9s+A==
-  dependencies:
-    "@types/estree" "*"
-    "@types/node" "*"
-    acorn "^7.1.0"
+[email protected]:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.0.0.tgz#0bd7a09bd7cdaa70a19ad5a356f2fab90fd2f401"
+  integrity sha512-tbvWownITR+0ebaX6iRr7IcLkziTCJacRpmWz03NIj3CZDmGlergYSwdG8wPx68LT0ms1YzqmbjUQHb6ut8pdw==
+  optionalDependencies:
+    fsevents "~2.1.2"
 
 rsvp@^4.8.4:
   version "4.8.5"