1.0.21

What's Changed

• codecov fixes by @heerener in #2
• test for python313, remove outdated python39 by @AurelienJaquier in #3
• pass on codecov secret when test.yml is called from build.yml by @AurelienJaquier in #4

New Contributors

• @heerener made their first contribution in #2

Full Changelog: 1.0.20...1.0.21