chore: update docstring for 'Workflow' message (from proto) (#108)
chore: update docstring for 'Workflow' message (from proto) (#108)

* docs: clarified when revision_id of a workflow is updated docs: clarified format and semantics of service_account field docs: documented expanded workflow size limit

PiperOrigin-RevId: 404237609

Source-Link: https://github.com/googleapis/googleapis/commit/2d60c597aa946c646e4dce52c9b8b7863a8ddc81

Source-Link: https://github.com/googleapis/googleapis-gen/commit/ec5a08b7e6d0e3c774516e4169893a5886856423
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googleapis/python-workflows,googleapis/python-workflows