chore(examples): Fix dependencies in graphql example, fixing the fail…

…ing build

examples/graphql/package.json

@@ -22,16 +22,12 @@
     "@pact-foundation/pact": "^8.2.6",
     "@types/chai": "^4.0.3",
     "@types/chai-as-promised": "0.0.31",
-    "@types/graphql": "^14.0.2",
     "@types/mocha": "^2.2.48",
     "@types/node": "^8.0.24",
-    "@types/sinon": "^7.0.6",
-    "@types/sinon-chai": "^2.7.29",
-    "@types/express-graphql": "^0.8.0",
+    "@types/express-graphql": "0.8.0",
     "nyc": "^11.6.0",
     "rimraf": "^2.6.2",
     "ts-node": "^3.3.0",
-    "ts-mock-imports": "^1.2.2",
     "typescript": "^3.3.3",
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
@@ -42,11 +38,11 @@
     "apollo-server-express": "^1.3.5",
     "body-parser": "^1.18.2",
     "express": "^4.16.3",
-    "express-graphql": "^0.6.12",
-    "graphql": "^0.13.2",
-    "graphql-tag": "^2.9.1",
-    "graphql-tools": "^2.24.0",
+    "express-graphql": "0.8.0",
+    "graphql": "^14.5.3",
+    "graphql-tag": "^2.10.1",
+    "graphql-tools": "^4.0.5",
     "node-fetch": "^2.2.0",
     "lodash": "^4.17.13"
   }
-}
+}