Bump webpack-cli from 3.1.1 to 3.1.2 in /apps/oauth2

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/v3.1.1...v3.1.2)

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

apps/oauth2/package-lock.json

@@ -1508,7 +1508,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1923,7 +1924,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1979,6 +1981,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2022,12 +2025,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4274,9 +4279,9 @@
       }
     },
     "webpack-cli": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.1.1.tgz",
-      "integrity": "sha512-th5EUyVeGcAAVlFOcJg11fapD/xoLRE4j/eSfrmMAo3olPjvB7lgEPUtCbRP0OGmstvnQBl4VZP+zluXWDiBxg==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.1.2.tgz",
+      "integrity": "sha512-Cnqo7CeqeSvC6PTdts+dywNi5CRlIPbLx1AoUPK2T6vC1YAugMG3IOoO9DmEscd+Dghw7uRlnzV1KwOe5IrtgQ==",
       "dev": true,
       "requires": {
         "chalk": "^2.4.1",

apps/oauth2/package.json

@@ -25,7 +25,7 @@
     "vue-loader": "^15.4.2",
     "vue-template-compiler": "^2.5.17",
     "webpack": "^4.20.2",
-    "webpack-cli": "^3.1.1",
+    "webpack-cli": "^3.1.2",
     "webpack-merge": "^4.1.4"
   }
 }