Typo "a Azure"→"an Azure" #1952

https://learn.microsoft.com/en-us/python/api/azureml-core/azureml.core.workspace.workspace?view=azure-ml-py

#PingMSTDocs

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• ID: 1d94ed89-5c02-627d-be4b-7be85ffeb876
• Version Independent ID: 581b19dc-544c-6a91-fa47-3d582f23a34b
• Content: azureml.core.workspace.Workspace class - Azure Machine Learning Python
• Content Source: AzureML-Docset/stable/docs-ref-autogen/azureml-core/azureml.core.workspace.Workspace.yml
• Service: machine-learning
• Sub-service: core
• GitHub Login: DebFro
• Microsoft Alias: debfro