Release 0.4.0

What's Changed

• build(deps-dev): update ruff requirement from >=0.5.0,<0.9.0 to >=0.5.0,<0.10.0 by @dependabot[bot] in #24
• build(deps-dev): update ruff requirement from >=0.5.0,<0.10.0 to >=0.5.0,<0.12.0 by @dependabot[bot] in #26
• build(deps-dev): update ruff requirement from >=0.5.0,<0.12.0 to >=0.5.0,<0.13.0 by @dependabot[bot] in #28
• build(deps): bump actions/checkout from 4 to 5 by @dependabot[bot] in #29
• build(deps): bump actions/setup-python from 5 to 6 by @dependabot[bot] in #30
• build(deps-dev): update ruff requirement from >=0.5.0,<0.13.0 to >=0.5.0,<0.14.0 by @dependabot[bot] in #31
• Switch to uv for package management and as build backend
• Drop Python 3.9 support

Full Changelog: v0.3.0...v0.4.0