v0.15.0

What's Changed

• feat: backlog batch #134 #113 #96 by @ScienceIsNeato in #144
• Fix sm_env doctor and prepare-release workflow by @ScienceIsNeato in #146
• fix: make release reruns idempotent by @ScienceIsNeato in #147
• chore: bump version to 0.15.0 for PyPI release by @ScienceIsNeato in #148

Full Changelog: v0.14.1...v0.15.0