Various fixes & improvements
- chore: Bump mypy and fix abstract ContextManager typing (#1421) by @sl0thentr0py
- chore(issues): add link to Sentry support (#1420) by @vladanpaunovic
- fix: replace git.io links with redirect targets (#1412) by @asottile-sentry
- ref: Update error verbose for sentry init (#1361) by @targhs
- fix(sessions): Update session also for non sampled events and change filter order (#1394) by @adinauer