chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

yarn.lock

@@ -747,15 +747,16 @@
   resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-5.2.5.tgz#8a4accfc403c124a0bafe8a9fc61a05ec1032073"
   integrity sha512-lAVp+Kj54ui/vLUFxsJTMtWvZraZxum3w3Nwkble2dNuV5VnPA+Mi2oGX9XYJAaIvZi3tn3cbjS/qcJXRb6Bww==
 
-"@types/node@*":
-  version "10.0.4"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.0.4.tgz#130598ee56e9a1210a53f557d64935571f05390d"
-
 "@types/node@^10.0.0":
   version "10.12.18"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.18.tgz#1d3ca764718915584fcd9f6344621b7672665c67"
   integrity sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ==
 
+"@types/node@^12.6.3":
+  version "12.6.8"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.6.8.tgz#e469b4bf9d1c9832aee4907ba8a051494357c12c"
+  integrity sha512-aX+gFgA5GHcDi89KG5keey2zf0WfZk/HAQotEamsK2kbey+8yGKcson0hbK8E+v0NArlCJQCqMP161YhV6ZXLg==
+
 JSONStream@^1.0.4:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.2.tgz#c102371b6ec3a7cf3b847ca00c20bb0fce4c6dea"
@@ -775,6 +776,11 @@ abbrev@1, abbrev@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
 
+acorn@^6.2.0:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.2.1.tgz#3ed8422d6dec09e6121cc7a843ca86a330a86b51"
+  integrity sha512-JD0xT5FCRDNyjDda3Lrg/IxFscp9q4tiYtxE1/nOzlKCk7hIRuYjhq1kCNkbPjMRMZuFq20HNQn1I9k8Oj0E+Q==
+
 agent-base@4, agent-base@^4.1.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.2.0.tgz#9838b5c3392b962bad031e6a4c5e1024abec45ce"
@@ -5876,13 +5882,14 @@ rollup-pluginutils@^2.3.3:
     estree-walker "^0.5.2"
     micromatch "^2.3.11"
 
-rollup@^0.68.2:
-  version "0.68.2"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.68.2.tgz#c26afb5d981ca7a1a32f76087dbde9dad4fcc653"
-  integrity sha512-WgjNCXYv7ZbtStIap1+tz4pd2zwz0XYN//OILwEY6dINIFLVizK1iWdu+ZtUURL/OKnp8Lv2w8FBds8YihzX7Q==
+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==
   dependencies:
     "@types/estree" "0.0.39"
-    "@types/node" "*"
+    "@types/node" "^12.6.3"
+    acorn "^6.2.0"
 
 run-queue@^1.0.0, run-queue@^1.0.3:
   version "1.0.3"