deps: Upgrade @types/webpack to ^4.39.8.

Author: yjwong

package.json

@@ -16,7 +16,7 @@
   "devDependencies": {
     "@glints/tslint-rules": "^1.0.6",
     "@types/hapi": "^17.8.0",
-    "@types/webpack": "^4.4.21",
+    "@types/webpack": "^4.39.8",
     "@types/webpack-dev-middleware": "^2.0.2",
     "@types/webpack-hot-middleware": "^2.16.4",
     "tslint": "^5.20.1",

yarn.lock

@@ -114,6 +114,11 @@
   dependencies:
     "@types/node" "*"
 
+"@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/tapable@*":
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/@types/tapable/-/tapable-1.0.4.tgz#b4ffc7dc97b498c969b360a41eee247f82616370"
@@ -144,7 +149,16 @@
     "@types/connect" "*"
     "@types/webpack" "*"
 
-"@types/webpack@*", "@types/webpack@^4.4.21":
+"@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@*":
   version "4.4.21"
   resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.4.21.tgz#1a80de6d3e465f35067dd2f4533bf6e04c2e7187"
   integrity sha512-QJfA6GeLSlnx8yyrEQ7fNLYj1MYKzqHlo89skOwnKG4nblpwAyXe9Gcm/eTz/BpX0vBEtiehrSv9b/W9TMkhKg==
@@ -155,6 +169,18 @@
     "@types/uglify-js" "*"
     source-map "^0.6.0"
 
+"@types/webpack@^4.39.8":
+  version "4.39.8"
+  resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.39.8.tgz#8083a4eb850ea02961ef6161465434c9b478851f"
+  integrity sha512-lkJvwNJQUPW2SbVwAZW9s9whJp02nzLf2yTNwMULa4LloED9MYS1aNnGeoBCifpAI1pEBkTpLhuyRmBnLEOZAA==
+  dependencies:
+    "@types/anymatch" "*"
+    "@types/node" "*"
+    "@types/tapable" "*"
+    "@types/uglify-js" "*"
+    "@types/webpack-sources" "*"
+    source-map "^0.6.0"
+
 ansi-styles@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"