chore(deps): pin dependencies

Author: renovate[bot]

package-lock.json

@@ -33,15 +33,15 @@
   ],
   "devDependencies": {
     "apollo-server-express": "^3.6.3",
-    "coveralls": "^3.1.0",
-    "express": "^4.17.3",
-    "express-graphql": "^0.12.0",
-    "graphql": "^15.5.0",
-    "mocha": "^9.2.1",
-    "nyc": "^15.0.1",
-    "standard": "^16.0.4",
-    "supertest": "^6.2.2",
-    "@graphql-yoga/node": "^2.13.3"
+    "coveralls": "3.1.0",
+    "express": "4.17.3",
+    "express-graphql": "0.12.0",
+    "graphql": "15.8.0",
+    "mocha": "9.2.1",
+    "nyc": "15.0.1",
+    "standard": "16.0.4",
+    "supertest": "6.2.2",
+    "@graphql-yoga/node": "2.13.3"
   },
   "dependencies": {
     "@graphql-tools/schema": "^8.3.2",