Update dependency @types/angular to v1.6.49

package.json

@@ -11,7 +11,7 @@
     "yarn": "1.7.0"
   },
   "dependencies": {
-    "@types/angular": "1.6.48",
+    "@types/angular": "1.6.49",
     "@types/prop-types": "15.5.3",
     "@types/react": "16.4.6",
     "@types/react-dom": "16.0.6",

yarn.lock

@@ -2,7 +2,11 @@
 # yarn lockfile v1
 
 
-"@types/angular@1.6.48", "@types/angular@^1.6.39":
+"@types/angular@1.6.49":
+  version "1.6.49"
+  resolved "https://registry.yarnpkg.com/@types/angular/-/angular-1.6.49.tgz#8a5dd666100155d27cda9801f961360eb24b8d96"
+
+"@types/angular@^1.6.39":
   version "1.6.48"
   resolved "https://registry.yarnpkg.com/@types/angular/-/angular-1.6.48.tgz#e8f77bf41d00d3293421cbaaed2bafb4d5f399f9"