v0.5.9

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #139
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #140
• deprecation: FutureWarning: The behavior of array concatenation with … by @fneum in #143

Full Changelog: v0.5.8...v0.5.9