upgrade versions to stable versions

package.json

@@ -10,7 +10,7 @@
     "ajv": "^6.1.0",
     "ajv-keywords": "^3.1.0",
     "chrome-trace-event": "^0.1.1",
-    "enhanced-resolve": "^4.0.0-beta.2",
+    "enhanced-resolve": "^4.0.0",
     "eslint-scope": "^3.7.1",
     "loader-runner": "^2.3.0",
     "loader-utils": "^1.1.0",
@@ -19,7 +19,7 @@
     "neo-async": "^2.5.0",
     "node-libs-browser": "^2.0.0",
     "schema-utils": "^0.4.2",
-    "tapable": "^1.0.0-beta.5",
+    "tapable": "^1.0.0",
     "uglifyjs-webpack-plugin": "^1.1.1",
     "watchpack": "^1.4.0",
     "webpack-sources": "^1.0.1"

yarn.lock

@@ -1155,13 +1155,13 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
-enhanced-resolve@^4.0.0-beta.2:
-  version "4.0.0-beta.2"
-  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.0.0-beta.2.tgz#a13a9da2340712c4f3dacf27e26717e2eae69c24"
+enhanced-resolve@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.0.0.tgz#e34a6eaa790f62fccd71d93959f56b2b432db10a"
   dependencies:
     graceful-fs "^4.1.2"
     memory-fs "^0.4.0"
-    tapable "^1.0.0-beta.4"
+    tapable "^1.0.0"
 
 errno@^0.1.1, errno@^0.1.3, errno@^0.1.4:
   version "0.1.6"
@@ -4002,9 +4002,9 @@ table@^4.0.1:
     slice-ansi "1.0.0"
     string-width "^2.1.1"
 
-tapable@^1.0.0-beta.4, tapable@^1.0.0-beta.5:
-  version "1.0.0-beta.5"
-  resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.0.0-beta.5.tgz#9bc844b856487e03345b7d3361288aefd97f8303"
+tapable@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.0.0.tgz#cbb639d9002eed9c6b5975eb20598d7936f1f9f2"
 
 tar-pack@^3.4.0:
   version "3.4.1"