Upgrade relay to the latest version

.graphqlconfig

@@ -4,7 +4,7 @@
          "schemaPath":"schema.graphql",
          "extensions":{
             "endpoints":{
-               "local": "http://localhost:3013/graphql",
+               "local": "http://localhost:3010/graphql",
                "default":"http://graphql.juffalow.com/graphql",
                "prod":"http://graphql.juffalow.com/graphql"
             }

package.json

@@ -3,15 +3,15 @@
   "version": "2.0.0",
   "private": true,
   "dependencies": {
-    "babel-plugin-relay": "^11.0.0",
+    "babel-plugin-relay": "^12.0.0",
     "react": "^17.0.0",
     "react-bootstrap": "^1.3.0",
     "react-dom": "^17.0.0",
     "react-helmet": "^5.2.1",
-    "react-relay": "^11.0.1",
+    "react-relay": "^12.0.0",
     "react-router-dom": "^5.0.0",
     "react-scripts": "^4.0.3",
-    "relay-runtime": "^11.0.1"
+    "relay-runtime": "^12.0.0"
   },
   "scripts": {
     "start": "react-scripts start",
@@ -42,11 +42,11 @@
     "@types/react": "^16.9.23",
     "@types/react-dom": "^16.9.5",
     "@types/react-helmet": "^5.0.15",
-    "@types/react-relay": "^11.0.0",
+    "@types/react-relay": "^11.0.2",
     "@types/react-router-dom": "^5.1.3",
-    "graphql": "^15.5.0",
-    "relay-compiler": "^11.0.0",
-    "relay-compiler-language-typescript": "^13.0.9",
+    "graphql": "^15.0.0",
+    "relay-compiler": "^12.0.0",
+    "relay-compiler-language-typescript": "^14.3.0",
     "typescript": "^4.0.2"
   }
 }

schema.graphql

@@ -1,5 +1,11 @@
-# source: http://localhost:3013/graphql
-# timestamp: Fri Mar 20 2020 12:46:58 GMT+0100 (Central European Standard Time)
+# source: http://localhost:3010/graphql
+# timestamp: Sat Nov 06 2021 12:16:11 GMT+0100 (Central European Standard Time)
+
+"""Exposes a URL that specifies the behaviour of this scalar."""
+directive @specifiedBy(
+  """The URL that specifies the behaviour of this scalar."""
+  url: String!
+) on SCALAR
 
 type Author {
   """Globally unique ID of the author"""
@@ -54,6 +60,10 @@ enum AuthorsOrderField {
   CREATED_AT
 }
 
+input deleteAuthorInput {
+  id: Int!
+}
+
 """The ordering direction."""
 enum Direction {
   """Specifies an ascending order for a given orderBy argument."""
@@ -63,6 +73,16 @@ enum Direction {
   DESC
 }
 
+type Mutation {
+  createAuthor(input: NewAuthor!): Author
+  deleteAuthor(input: deleteAuthorInput!): Author
+}
+
+input NewAuthor {
+  firstName: String!
+  lastName: String!
+}
+
 """Information about pagination in a connection."""
 type PageInfo {
   """The item at the end of the edge."""