fix(@angular/cli): Allow patch updates to @schematics/angular (#7483)

Author: Brocco

package.json

@@ -42,7 +42,7 @@
   "dependencies": {
     "@angular-devkit/build-optimizer": "0.0.13",
     "@angular-devkit/schematics": "0.0.17",
-    "@schematics/angular": "0.0.27",
+    "@schematics/angular": "~0.0.0",
     "autoprefixer": "^6.5.3",
     "chalk": "^2.0.1",
     "circular-dependency-plugin": "^3.0.0",

packages/@angular/cli/package.json

@@ -31,7 +31,7 @@
     "@angular-devkit/schematics": "0.0.17",
     "@ngtools/json-schema": "1.1.0",
     "@ngtools/webpack": "1.7.0-beta.1",
-    "@schematics/angular": "0.0.27",
+    "@schematics/angular": "~0.0.0",
     "autoprefixer": "^6.5.3",
     "chalk": "^2.0.1",
     "circular-dependency-plugin": "^3.0.0",