Update release

What's Changed

• Update development environment by @astropenguin in #72
• #68 filter profile by @Joristiebosch in #70
• Rename default branch (master → main) by @astropenguin in #75
• Release v0.4.0 by @astropenguin in #76

New Contributors

• @Joristiebosch made their first contribution in #70

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