chore(package): update lockfile yarn.lock

Author: greenkeeper[bot]

yarn.lock

@@ -470,6 +470,11 @@
   resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-7.0.12.tgz#18412939ae45b225bd38715a25c1040cbad80f42"
   integrity sha512-fo0MWpVPSUrnZZhp9wyu+hhI3VJ9+Jhs+PWrokBTg3d2ryNPDOAWF1csIhQuYWBTn7KdZzXpRgpX2o6cwOlPWg==
 
+"@types/source-list-map@*":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@types/source-list-map/-/source-list-map-0.1.2.tgz#0078836063ffaf17412349bba364087e0ac02ec9"
+  integrity sha512-K5K+yml8LTo9bWJI/rECfIPrGgxdpeNbj+d53lwN4QjW1MCwlkhUms+gtdzigTeUyBr09+u8BwOIY3MXvHdcsA==
+
 "@types/stack-utils@^1.0.1":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/@types/stack-utils/-/stack-utils-1.0.1.tgz#0a851d3bd96498fa25c33ab7278ed3bd65f06c3e"
@@ -487,15 +492,25 @@
   dependencies:
     source-map "^0.6.1"
 
-"@types/webpack@^4.4.32":
-  version "4.4.32"
-  resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.4.32.tgz#2d460cd33a15e568e93f38de5e628cf846396c51"
-  integrity sha512-mNARoaSJTzbiHxtZbf9NULFilu2frqD+g9Iyl9V2jPYJWXi+AC3Hz8lQWPZ5LLtgUm7iF4SDDMB/1bPrbRQgFw==
+"@types/webpack-sources@*":
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/@types/webpack-sources/-/webpack-sources-0.1.5.tgz#be47c10f783d3d6efe1471ff7f042611bd464a92"
+  integrity sha512-zfvjpp7jiafSmrzJ2/i3LqOyTYTuJ7u1KOXlKgDlvsj9Rr0x7ZiYu5lZbXwobL7lmsRNtPXlBfmaUD8eU2Hu8w==
+  dependencies:
+    "@types/node" "*"
+    "@types/source-list-map" "*"
+    source-map "^0.6.1"
+
+"@types/webpack@^4.39.4":
+  version "4.39.4"
+  resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.39.4.tgz#680139788f63f5279ca6d1ffb08666a7ddeca5cf"
+  integrity sha512-VubX3/qXtpWmHhd422GdtAHwAMLHSsgXx0dtspd2DZ7pMnCRKjduJN8Zp5Ex4e1fH4FKFBBgWTvsry0WL8wHsQ==
   dependencies:
     "@types/anymatch" "*"
     "@types/node" "*"
     "@types/tapable" "*"
     "@types/uglify-js" "*"
+    "@types/webpack-sources" "*"
     source-map "^0.6.0"
 
 "@types/yargs@^12.0.2", "@types/yargs@^12.0.9":