Add return_run_details parameter support for workflow dispatch

[sneha-krip]

Resolves #1799

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Before the change?

• Users who try to add the newly introduced return_run_details request parameter for the create workflow dispatch endpoint will receive an error from the ruby function even though they did successfully dispatch a workflow. Also, they wouldn't be able to consume the new response body

After the change?

• Users can pass in the return_run_details parameter as true and begin using the run details in their ruby code.

Pull request checklist

• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)

Does this introduce a breaking change?

Please see our docs on breaking changes to help!

• Yes
• No

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[github-actions]

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