Bumped snapshot version

Author: oliemansm

example-graphql-tools/src/main/resources/application.yml

@@ -2,7 +2,7 @@ spring:
   application:
     name: graphql-java-tools-app
 server:
-  port: 9000
+  port: 9001
 graphiql:
   headers:
     Authorization: "Bearer 05bd9a5f3fe0408f89520946b0fe1b06"

gradle.properties

@@ -40,7 +40,7 @@ LIB_GRAPHQL_JAVA_VER = 9.2
 LIB_JUNIT_VER = 4.12
 LIB_SPRING_CORE_VER = 5.0.4.RELEASE
 LIB_SPRING_BOOT_VER = 2.0.5.RELEASE
-LIB_GRAPHQL_SERVLET_VER = 6.2.0
+LIB_GRAPHQL_SERVLET_VER = 6.2.1-SNAPSHOT
 LIB_GRAPHQL_JAVA_TOOLS_VER = 5.3.5
 LIB_COMMONS_IO_VER = 2.6