0.15.0

New Features ✨

• (devenv) Guard sentry-protos worktree basename mismatches by @armenzg in #270

Internal Changes 🔧

• (billing) Split package support and contract month interval by @armenzg in #269
• (deps) Widen grpcio ranges for modern Python by @armenzg in #271
• (python) Use .python-version as single source of truth by @armenzg in #272