Bump webpack from 4.36.1 to 4.38.0

Bumps [webpack](https://github.com/webpack/webpack) from 4.36.1 to 4.38.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v4.36.1...v4.38.0)

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

Author: dependabot-preview[bot]

yarn.lock

@@ -382,7 +382,7 @@ ajv-keywords@^3.1.0:
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.4.1.tgz#ef916e271c64ac12171fd8384eaae6b2345854da"
   integrity sha512-RO1ibKvd27e6FEShVFfPALuHI3WjSVNeK5FIsmme/LYRNxjKuNj+Dt7bucLa6NdSv3JcVTyMlm9kGR84z1XpaQ==
 
-ajv@^6.1.0:
+ajv@^6.1.0, ajv@^6.5.5:
   version "6.10.2"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.2.tgz#d3cea04d6b017b2894ad69040fec8b623eb4bd52"
   integrity sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==
@@ -392,16 +392,6 @@ ajv@^6.1.0:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
-ajv@^6.5.5:
-  version "6.9.1"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.9.1.tgz#a4d3683d74abc5670e75f0b16520f70a20ea8dc1"
-  integrity sha512-XDN92U311aINL77ieWHmqCcNlwjoP5cHXDxIxbf2MaPYuCXOHS7gHH8jktxeK5omgd52XbSTX6a4Piwd1pQmzA==
-  dependencies:
-    fast-deep-equal "^2.0.1"
-    fast-json-stable-stringify "^2.0.0"
-    json-schema-traverse "^0.4.1"
-    uri-js "^4.2.2"
-
 amdefine@>=0.0.4:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
@@ -5224,9 +5214,9 @@ webpack-sources@^1.3.0:
     source-map "~0.6.1"
 
 webpack@^4.36.1:
-  version "4.36.1"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.36.1.tgz#f546fda7a403a76faeaaa7196c50d12370ed18a9"
-  integrity sha512-Ej01/N9W8DVyhEpeQnbUdGvOECw0L46FxS12cCOs8gSK7bhUlrbHRnWkjiXckGlHjUrmL89kDpTRIkUk6Y+fKg==
+  version "4.38.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.38.0.tgz#6d77108404b08883c78f4e7e45a43c4e5c47c931"
+  integrity sha512-lbuFsVOq8PZY+1Ytz/mYOvYOo+d4IJ31hHk/7iyoeWtwN33V+5HYotSH+UIb9tq914ey0Hot7z6HugD+je3sWw==
   dependencies:
     "@webassemblyjs/ast" "1.8.5"
     "@webassemblyjs/helper-module-context" "1.8.5"