This patch releases resolves a build issue when VW is built against fmtlib version 8 or newer as well as a few bugs.
- fix: use different syntax for opening namespace for custom formatters
- build: use correct platform suffix for Python native shared library
- fix: dftovw address post PR feedback
- ci: run twine check in ci
- fix: Remove content from image directives in README.rst
- build: fixing run_tests.py with custom paths
- fix: add long_description_content_type
- fix: fix compile issues when consuming fmt 8.1.1