POD-2374: Add optional Version to Staging Workspace

[sahakiann]

POD-2374

Summary of Changes
The SetUpStagingWorkspaceAndDataset WDL and related Python script were updated to take in an optional "workspace version". This can be used in situations where more data needs to be imported into an existing dataset, but the dataset is not ready to be "published" yet. Versions are not "validated" in anyway (i.e. if version 2 was already we used, we don't check first to see if that's the case, but the script will fail if the continue_if_exists flag is not used). The auth domain will not change (the same existing auth domain is used) and same for the dataset. The dataset data, however, will be updated to indicate all new workspaces that are created. See screenshots and links below.

Staging Workspace V1

• Workspace: ops-integration-billing/NS_Test_Staging
• Linked Dataset: NS_Test
• Workspace Attributes
  
• Dataset Data
  
• Terra Workflow Link

Staging Workspace V2

• Workspace: ops-integration-billing/NS_Test_Staging_v2
• Linked Dataset: NS_Test
• Workspace Attributes
  
• Dataset Data
  
• Terra Workflow Link

[github-actions]

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