build(scripts): update concurrently to v3.5.1

The v3.5.1 release of concurrently resolves several output display issues
making for easier debugging when concurrent commands are running.

See https://github.com/kimmobrunfeldt/concurrently/releases/tag/3.5.1

package.json

@@ -156,7 +156,7 @@
     "babili-webpack-plugin": "^0.1.2",
     "browserslist": "^2.11.0",
     "chalk": "^2.0.1",
-    "concurrently": "^3.5.0",
+    "concurrently": "^3.5.1",
     "cross-env": "^5.0.0",
     "cross-spawn": "^5.1.0",
     "css-loader": "^0.28.3",

yarn.lock

@@ -2467,9 +2467,9 @@ concat-stream@1.6.0, concat-stream@^1.6.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
-concurrently@^3.5.0:
+concurrently@^3.5.1:
-  version "3.5.0"
+  version "3.5.1"
-  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-3.5.0.tgz#8cf1b7707a6916a78a4ff5b77bb04dec54b379b2"
+  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-3.5.1.tgz#ee8b60018bbe86b02df13e5249453c6ececd2521"
   dependencies:
     chalk "0.5.1"
     commander "2.6.0"
@@ -2918,8 +2918,8 @@ dashdash@^1.12.0:
     assert-plus "^1.0.0"
 
 date-fns@^1.23.0:
-  version "1.28.5"
+  version "1.29.0"
-  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.28.5.tgz#257cfc45d322df45ef5658665967ee841cd73faf"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.29.0.tgz#12e609cdcb935127311d04d33334e2960a2a54e6"
 
 date-now@^0.1.4:
   version "0.1.4"
@@ -6342,7 +6342,7 @@ lodash@^4.0.0:
   version "4.17.5"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
 
-lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.5.1, lodash@^4.6.1, lodash@^4.8.0, lodash@~4.17.4:
+lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.6.1, lodash@^4.8.0, lodash@~4.17.4:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -8997,8 +8997,8 @@ sparkles@^1.0.0:
   resolved "https://registry.yarnpkg.com/sparkles/-/sparkles-1.0.0.tgz#1acbbfb592436d10bbe8f785b7cc6f82815012c3"
 
 spawn-command@^0.0.2-1:
-  version "0.0.2"
+  version "0.0.2-1"
-  resolved "https://registry.yarnpkg.com/spawn-command/-/spawn-command-0.0.2.tgz#9544e1a43ca045f8531aac1a48cb29bdae62338e"
+  resolved "https://registry.yarnpkg.com/spawn-command/-/spawn-command-0.0.2-1.tgz#62f5e9466981c1b796dc5929937e11c9c6921bd0"
 
 spdx-correct@^3.0.0:
   version "3.0.0"
@@ -9605,8 +9605,8 @@ tr46@~0.0.3:
   resolved "https://registry.yarnpkg.com/traverse/-/traverse-0.3.9.tgz#717b8f220cc0bb7b44e40514c22b2e8bbc70d8b9"
 
 tree-kill@^1.1.0:
-  version "1.1.0"
+  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.1.0.tgz#c963dcf03722892ec59cba569e940b71954d1729"
+  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.0.tgz#5846786237b4239014f05db156b643212d4c6f36"
 
 trim-newlines@^1.0.0:
   version "1.0.0"