v0.3.15

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #338
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #339
• chore: reveal types in package by @lkstrp in #341
• build: use post-release versioning by @lkstrp in #342
• fix: codecov report by @lkstrp in #343
• ci: move mypy to gh raction and add more rules by @lkstrp in #344
• ci: code scanning with CodeQL by @lkstrp in #345
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #346
• groupby: fix pandas dataframe with column name as grouper by @FabianHofmann in #352

Full Changelog: v0.3.14...v0.3.15