* Revert Sendgrid and Sentry sources to use python CDK instead of low-code * keep yaml configs for future reference * don't revert additional properties and update changelog w/ PR number * consistent time formatting in Messages stream and fix the unit test * auto-bump connector version [ci skip] * auto-bump connector version [ci skip] Co-authored-by: Octavia Squidington III <octavia-squidington-iii@users.noreply.github.com>