Update template version to 1.0.2-SNAPSHOT (#2753)
Update template version to 1.0.2-SNAPSHOT (#2753)

1.0 and 1.0.1 have already been published to maven central to
test out our release pipeline.
navalev/azure-sdk-for-java,navalev/azure-sdk-for-java,selvasingh/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,selvasingh/azure-sdk-for-java,selvasingh/azure-sdk-for-java,Azure/azure-sdk-for-java,navalev/azure-sdk-for-java,navalev/azure-sdk-for-java,navalev/azure-sdk-for-java