v0.4.0

What's Changed

• Improved energy distributions including DD, TT and DT reactions by @shimwell in #95
• removed old ci by @shimwell in #99
• fixing github actions CI by @shimwell in #100
• removed unused conda code by @shimwell in #101
• format pep8 by @shimwell in #103
• Split jobs in CI by @RemDelaporteMathurin in #105
• Upload coverage to codecov by @RemDelaporteMathurin in #106
• Refactoring and tidy up by @RemDelaporteMathurin in #107
• Updated ICF docs by @RemDelaporteMathurin in #109
• Improve energy spectrum plotting by @RemDelaporteMathurin in #110
• increased default number of samples (rings) by @shimwell in #111

Full Changelog: 0.3.1...v0.4.0