[AutoPR azure-resourcemanager-machinelearning] MachineLearningServices OnlineEndpoint Doc changes: AuthMode change for 2024-04-01 and RegenerateKeysRequest.KeyValue for all versions

[azure-sdk]

Create to sync https://github.com/Azure/azure-rest-api-specs/pull/29115

curl -L "https://portal.azure-devex-tools.com/api/sdk-dl-pub?p=Azure/29115/azure-sdk-for-java/azure-resourcemanager-machinelearning/azure-resourcemanager-machinelearning-1.1.0-beta.1.jar" -o azure-resourcemanager-machinelearning-1.1.0-beta.1.jar
mvn install:install-file -DgroupId=com.azure.resourcemanager -DartifactId=azure-resourcemanager-machinelearning -Dversion=1.0.0-beta.0 -Dfile=azure-resourcemanager-machinelearning-1.1.0-beta.1.jar -Dpackaging=jar -DgeneratePom=true

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