#3323 chore: Release v0.52.0 Pull request opened by MeltyBot Prepare MeltanoSDK

v0.52.0

for release. Checklist: • Check that the right version is set in all the files. • Groom the changelog for wording or missing entries. • Merge this PR once everything looks good. Release Draft ## Summary by Sourcery Prepare the 0.52.0 release with changelog additions and version updates across the project. New Features: • Introduce Stream.preprocess_context to allow custom modifications to stream context before freezing Bug Fixes: • Improve error message on request retries to include URL path and status code • Ignore the Programming Language :: Python :: 3 :: Only classifier in --about output • Simplify commands in template README files Enhancements: • Delay stream request authentication until immediately before sending to support retries • Pass stream logger to the backoff handler for better logging • Add schema details to extra log fields on validation failures Documentation: • Update annotation of backoff_wait_generator in documentation examples Chores: • Bump project version to v0.52.0 and update singer-sdk dependency versions in cookiecutter templates, ISSUE_TEMPLATE, docs configuration, and commitizen settings meltano/sdk