Prepare docs for SDK 2.0 #2665
Description
Problem Statement
Prepare a PR for sentry-docs.
Solution Brainstorm
- update lowest supported framework versions on integration pages
- find and remove all mentions of py2 compatibility
- include notes wherever applicable about 1.x being the last SDK version supporting Python 2
- remove/deprecate dropped client options, e.g. https://docs.sentry.io/platforms/python/configuration/options/#request-bodies
- update confusing SQLAlchemy Supported Versions
- update mentions of hubs/scopes