#3544 docs: Documented removals slated for v0.58 Pull request opened by edgarrmondragon SSIA Summary by Sourcery Clarify authenticator deprecation messaging and document the upcoming v0.58 removal of stream-coupled authenticator APIs. Enhancements: • Update deprecation warnings for authenticator stream-related APIs to reference the concrete v0.58 removal version and migration guidance. Documentation: • Add deprecation and migration guide documentation describing removal of stream-coupled authenticator parameters and helpers in v0.58, including examples of the new construction patterns. • Link the new authenticator decoupling guide from the guides index for easier discoverability. Tests: • Adjust authenticator deprecation tests to assert on the updated deprecation messages tied to v0.58 removals. meltano/sdk