Add ETag Validation for `Update-AzDataTableEntity` and `Remove-AzData… #19

Job	Run time
Build Module	58s
Publish Release to GitHub	8s
Test Module (windows-latest)	3m 5s
Test Module (ubuntu-latest)	45s
Test Module (macos-latest)	54s
Publish to PowerShell Gallery	56s
	6m 46s

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