28.0

What's Changed

• LITE-27261 Remove transport reuse by @bdjilka in #67
• LITE-27686: deprecate python 3.7 by @gab832 in #68
• LITE-27568 Add black by @Hairash in #69
• Wrap mocker stop within try/finally by @ffaraone in #70
• [Fix] client_mocker_factory didn't finalize mocker by @qarlosh in #72

Full Changelog: 25.20...28.0