chore(deps): update dependency typescript to v3

package.json

@@ -15,7 +15,7 @@
     "@types/node": "9.4.6",
     "graphql": "0.13.1",
     "ts-node": "5.0.0",
-    "typescript": "2.7.2"
+    "typescript": "3.0.1"
   },
   "scripts": {
     "test": "cd src/example && ts-node test.ts",

yarn.lock

@@ -165,9 +165,9 @@ graphcool-yml@0.4.15:
     scuid "^1.0.2"
     yaml-ast-parser "^0.0.40"
 
-graphql-config@2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/graphql-config/-/graphql-config-2.0.1.tgz#d34a9bdf1d7360af7b01db9b20260a342ddc7390"
+graphql-config@^2.0.1:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/graphql-config/-/graphql-config-2.1.0.tgz#f07107ac44b661282d2002497de588f01aa92c9d"
   dependencies:
     graphql-import "^0.4.4"
     graphql-request "^1.5.0"
@@ -187,7 +187,7 @@ graphql-request@^1.5.0:
   dependencies:
     cross-fetch "1.1.1"
 
-graphql@^0.13.1:
+graphql@0.13.1:
   version "0.13.1"
   resolved "https://registry.yarnpkg.com/graphql/-/graphql-0.13.1.tgz#9b3db3d8e40d1827e4172404bfdd2e4e17a58b55"
   dependencies:
@@ -391,9 +391,9 @@ ts-node@5.0.0:
     source-map-support "^0.5.3"
     yn "^2.0.0"
 
-typescript@2.7.2:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
+typescript@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.0.1.tgz#43738f29585d3a87575520a4b93ab6026ef11fdb"
 
 universalify@^0.1.0:
   version "0.1.1"