enhancement(AutomationCOntext): add workspace ID support

[jsdbroughton]

Description & motivation

Enhances the automation context by introducing workspace ID support. The changes facilitate improved identification and management of workspaces associated with automation runs.

Changes:

• Adds a workspace_id property to the AutomationContext class.
• Implements logic to resolve workspace ID using run data or project lookup fallback.
• Updates the AutomationRunData and TestAutomationRunData models to include workspace ID with optional typing.
• Updates fixtures to handle workspace ID in test automation runs.

Checklist:

• My pull request follows the guidelines in the Contributing guide?
• My pull request does not duplicate any other open Pull Requests for the same update/change?
• My commits are related to the pull request and do not amend unrelated code or documentation.
• My code follows a similar style to existing code.
• I have added appropriate tests.
• I have updated or added relevant documentation.

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