Bump webpack-cli from 3.3.6 to 3.3.8

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 3.3.6 to 3.3.8.
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/v3.3.8/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/v3.3.6...v3.3.8)

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

package.json

@@ -48,7 +48,7 @@
     "url-loader": "^2.1.0",
     "val-loader": "1.1.1",
     "webpack": "^4.39.3",
-    "webpack-cli": "^3.3.6",
+    "webpack-cli": "^3.3.8",
     "yaml-loader": "0.5.0"
   },
   "resolutions": {

yarn.lock

@@ -6929,10 +6929,10 @@ wcwidth@^1.0.0, wcwidth@^1.0.1:
   dependencies:
     defaults "^1.0.3"
 
-webpack-cli@^3.3.6:
-  version "3.3.6"
-  resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-3.3.6.tgz#2c8c399a2642133f8d736a359007a052e060032c"
-  integrity sha512-0vEa83M7kJtxK/jUhlpZ27WHIOndz5mghWL2O53kiDoA9DIxSKnfqB92LoqEn77cT4f3H2cZm1BMEat/6AZz3A==
+webpack-cli@^3.3.8:
+  version "3.3.8"
+  resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-3.3.8.tgz#caeaebcc26f685db1736e5decd3f01aac30123ec"
+  integrity sha512-RANYSXwikSWINjHMd/mtesblNSpjpDLoYTBtP99n1RhXqVI/wxN40Auqy42I7y4xrbmRBoA5Zy5E0JSBD5XRhw==
   dependencies:
     chalk "2.4.2"
     cross-spawn "6.0.5"
@@ -7170,7 +7170,7 @@ yargs-parser@^9.0.2:
   dependencies:
     camelcase "^4.1.0"
 
-yargs@13.2.4, yargs@^13.2.2:
+yargs@13.2.4:
   version "13.2.4"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.2.4.tgz#0b562b794016eb9651b98bd37acf364aa5d6dc83"
   dependencies:
@@ -7203,7 +7203,7 @@ yargs@^11.0.0:
     y18n "^3.2.1"
     yargs-parser "^9.0.2"
 
-yargs@^13.3.0:
+yargs@^13.2.2, yargs@^13.3.0:
   version "13.3.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.0.tgz#4c657a55e07e5f2cf947f8a366567c04a0dedc83"
   integrity sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==