fix: graphql gen logging output (#795)

Author: denolfe

docs/graphql/graphql-schema.mdx

@@ -45,7 +45,7 @@ To add an NPM script to generate your types and show Payload where to find your
 ```json
 {
   "scripts": {
-    "generate:types": "PAYLOAD_CONFIG_PATH=src/payload.config.ts payload generate:types",
+    "generate:graphQLSchema": "PAYLOAD_CONFIG_PATH=src/payload.config.ts payload generate:graphQLSchema",
   },
 }
 ```

src/bin/generateGraphQLSchema.ts

@@ -17,7 +17,7 @@ export function generateGraphQLSchema(): void {
 
   logger.info('Compiling GraphQL schema...');
   fs.writeFileSync(config.graphQL.schemaOutputFile, printSchema(payload.schema));
-  logger.info(`GraphQL written to ${config.typescript.outputFile}`);
+  logger.info(`GraphQL written to ${config.graphQL.schemaOutputFile}`);
 }
 
 // when generateGraphQLSchema.js is launched directly