Bump rollup from 1.18.0 to 1.20.2

Bumps [rollup](https://github.com/rollup/rollup) from 1.18.0 to 1.20.2.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v1.18.0...v1.20.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

yarn.lock

@@ -694,10 +694,10 @@
   resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.3.tgz#3dca0e3f33b200fc7d1139c0cd96c1268cadfd9d"
   integrity sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==
 
-"@types/node@*", "@types/node@^12.6.3":
-  version "12.6.9"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.6.9.tgz#ffeee23afdc19ab16e979338e7b536fdebbbaeaf"
-  integrity sha512-+YB9FtyxXGyD54p8rXwWaN1EWEyar5L58GlGWgtH2I9rGmLGBQcw63+0jw+ujqVavNuO47S1ByAjm9zdHMnskw==
+"@types/node@*", "@types/node@^12.7.2":
+  version "12.7.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.2.tgz#c4e63af5e8823ce9cc3f0b34f7b998c2171f0c44"
+  integrity sha512-dyYO+f6ihZEtNPDcWNR1fkoTDf3zAK3lAABDze3mz6POyIercH0lEUawUFXlG8xaQZmm1yEBON/4TsYv/laDYg==
 
 "@types/normalize-package-data@^2.4.0":
   version "2.4.0"
@@ -734,11 +734,16 @@ acorn-walk@^6.0.1:
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-6.2.0.tgz#123cb8f3b84c2171f1f7fb252615b1c78a6b1a8c"
   integrity sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==
 
-acorn@^6.0.1, acorn@^6.0.2, acorn@^6.0.7, acorn@^6.1.1, acorn@^6.2.0:
+acorn@^6.0.1, acorn@^6.0.2, acorn@^6.0.7, acorn@^6.1.1:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.2.1.tgz#3ed8422d6dec09e6121cc7a843ca86a330a86b51"
   integrity sha512-JD0xT5FCRDNyjDda3Lrg/IxFscp9q4tiYtxE1/nOzlKCk7hIRuYjhq1kCNkbPjMRMZuFq20HNQn1I9k8Oj0E+Q==
 
+acorn@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.0.0.tgz#26b8d1cd9a9b700350b71c0905546f64d1284e7a"
+  integrity sha512-PaF/MduxijYYt7unVGRuds1vBC9bFxbNf+VWqhOClfdgy7RlVkQqt610ig1/yxTgsDIfW1cWDel5EBbOy3jdtQ==
+
 ajv@^6.10.2, ajv@^6.5.5, ajv@^6.9.1:
   version "6.10.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.2.tgz#d3cea04d6b017b2894ad69040fec8b623eb4bd52"
@@ -4533,13 +4538,13 @@ rollup-pluginutils@^2.8.1:
     estree-walker "^0.6.1"
 
 rollup@^1.18.0:
-  version "1.18.0"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.18.0.tgz#98ea36472523ed712e20c0e996fd051882f787e6"
-  integrity sha512-MBAWr6ectF948gW/bs/yfi0jW7DzwI8n0tEYG/ZMQutmK+blF/Oazyhg3oPqtScCGV8bzCtL9KzlzPtTriEOJA==
+  version "1.20.2"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.20.2.tgz#0e1be13cb5de244c9c463027092f7c93461558b9"
+  integrity sha512-pF4jFzNWMUuudIAeiTgOcSxn8XkBN2Y2/IwPR7iL/IZ8k9RwoLyp2QwNWiYT+HF537zwpmzZHTBYw345H9vq1A==
   dependencies:
     "@types/estree" "0.0.39"
-    "@types/node" "^12.6.3"
-    acorn "^6.2.0"
+    "@types/node" "^12.7.2"
+    acorn "^7.0.0"
 
 run-async@^2.2.0:
   version "2.3.0"