Use yargs@15.4.1 (#65)

Author: whymarrh

yarn.lock

@@ -2437,10 +2437,10 @@ yargs-parser@13.1.2, yargs-parser@^13.1.2:
     camelcase "^5.0.0"
     decamelize "^1.2.0"
 
-yargs-parser@^16.1.0:
-  version "16.1.0"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-16.1.0.tgz#73747d53ae187e7b8dbe333f95714c76ea00ecf1"
-  integrity sha512-H/V41UNZQPkUMIT5h5hiwg4QKIY1RPvoBV4XcjUbRM8Bk2oKqqyZ0DIEbTFZB0XjbtSPG8SAa/0DxCQmiRgzKg==
+yargs-parser@^18.1.2:
+  version "18.1.3"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
+  integrity sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==
   dependencies:
     camelcase "^5.0.0"
     decamelize "^1.2.0"
@@ -2471,9 +2471,9 @@ yargs@13.3.2, yargs@^13.3.0:
     yargs-parser "^13.1.2"
 
 yargs@^15.0.2:
-  version "15.1.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.1.0.tgz#e111381f5830e863a89550bd4b136bb6a5f37219"
-  integrity sha512-T39FNN1b6hCW4SOIk1XyTOWxtXdcen0t+XYrysQmChzSipvhBO8Bj0nK1ozAasdk24dNWuMZvr4k24nz+8HHLg==
+  version "15.4.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.4.1.tgz#0d87a16de01aee9d8bec2bfbf74f67851730f4f8"
+  integrity sha512-aePbxDmcYW++PaqBsJ+HYUFwCdv4LVvdnhBy78E57PIor8/OVvhMrADFFEDh8DHDFRv/O9i3lPhsENjO7QX0+A==
   dependencies:
     cliui "^6.0.0"
     decamelize "^1.2.0"
@@ -2485,4 +2485,4 @@ yargs@^15.0.2:
     string-width "^4.2.0"
     which-module "^2.0.0"
     y18n "^4.0.0"
-    yargs-parser "^16.1.0"
+    yargs-parser "^18.1.2"