fix: update nrwl monorepo to v6.4.0

Author: renovate-bot

package.json

@@ -43,7 +43,7 @@
     "@ngrx/router-store": "6.1.0",
     "@ngrx/store": "6.1.0",
     "@ngrx/store-devtools": "6.1.0",
-    "@nrwl/nx": "6.2.1",
+    "@nrwl/nx": "6.4.0",
     "core-js": "^2.5.4",
     "ngrx-store-freeze": "0.2.4",
     "rxjs": "6.2.2",
@@ -57,7 +57,7 @@
     "@angular/compiler-cli": "6.1.4",
     "@angular/language-service": "6.1.4",
     "@ngrx/schematics": "6.1.0",
-    "@nrwl/schematics": "6.2.1",
+    "@nrwl/schematics": "6.4.0",
     "@types/jasmine": "~2.8.6",
     "@types/jasminewd2": "~2.0.3",
     "@types/node": "~8.10.0",

yarn.lock

@@ -235,13 +235,13 @@
     tree-kill "^1.0.0"
     webpack-sources "^1.1.0"
 
-"@nrwl/nx@6.2.1":
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/@nrwl/nx/-/nx-6.2.1.tgz#b75a5c35bab53675a89320e1d8d16f40b70e66d1"
+"@nrwl/nx@6.4.0":
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/@nrwl/nx/-/nx-6.4.0.tgz#f04b6a405982c6c489fb3f227a7c66afb0359128"
 
-"@nrwl/schematics@6.2.1":
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/@nrwl/schematics/-/schematics-6.2.1.tgz#11473af8f5f3c078b65ebd47fb8bfbde93912163"
+"@nrwl/schematics@6.4.0":
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/@nrwl/schematics/-/schematics-6.4.0.tgz#90f32d8ed2f5d9f556441027df9c1e75fade017e"
   dependencies:
     "@types/yargs" "^11.0.0"
     app-root-path "^2.0.1"