Update EvengGrid version in README to 2.0.0-beta.2 (#15623)
Update EvengGrid version in README to 2.0.0-beta.2 (#15623)


Azure/azure-sdk-for-java,selvasingh/azure-sdk-for-java,Azure/azure-sdk-for-java,selvasingh/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,Azure/azure-sdk-for-java,selvasingh/azure-sdk-for-java