Upgrade graphql-java version
Upgrade graphql-java version

chamilaadhi/carbon-apimgt,chamilaadhi/carbon-apimgt,sanjeewa-malalgoda/carbon-apimgt,chamilaadhi/carbon-apimgt,chamilaadhi/carbon-apimgt,wso2/carbon-apimgt,sanjeewa-malalgoda/carbon-apimgt,wso2/carbon-apimgt,wso2/carbon-apimgt,wso2/carbon-apimgt,sanjeewa-malalgoda/carbon-apimgt,sanjeewa-malalgoda/carbon-apimgt