0496b51 build: update ajv to version 6.8.1 (#13583)

Author: Angular Builds

package.json

@@ -6,11 +6,11 @@
   "typings": "src/index.d.ts",
   "builders": "builders.json",
   "dependencies": {
-    "@angular-devkit/architect": "github:angular/angular-devkit-architect-builds#87caf21",
-    "@angular-devkit/build-optimizer": "github:angular/angular-devkit-build-optimizer-builds#87caf21",
-    "@angular-devkit/build-webpack": "github:angular/angular-devkit-build-webpack-builds#87caf21",
-    "@angular-devkit/core": "github:angular/angular-devkit-core-builds#87caf21",
-    "@ngtools/webpack": "github:angular/ngtools-webpack-builds#87caf21",
+    "@angular-devkit/architect": "github:angular/angular-devkit-architect-builds#0496b51",
+    "@angular-devkit/build-optimizer": "github:angular/angular-devkit-build-optimizer-builds#0496b51",
+    "@angular-devkit/build-webpack": "github:angular/angular-devkit-build-webpack-builds#0496b51",
+    "@angular-devkit/core": "github:angular/angular-devkit-core-builds#0496b51",
+    "@ngtools/webpack": "github:angular/ngtools-webpack-builds#0496b51",
     "ajv": "6.8.1",
     "autoprefixer": "9.4.7",
     "circular-dependency-plugin": "5.0.2",
@@ -43,7 +43,7 @@
     "stylus": "0.54.5",
     "stylus-loader": "3.0.2",
     "tree-kill": "1.2.1",
-    "terser-webpack-plugin": "1.2.2",
+    "terser-webpack-plugin": "1.2.1",
     "webpack": "4.29.0",
     "webpack-dev-middleware": "3.5.1",
     "webpack-dev-server": "3.1.14",