v1.6.0

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #147
• BLD: migrate from PyPDF2 (deprecated) to its replacement pypdf by @neutrinoceros in #150
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #151
• BLD: remove wheel from explicit build time requirements (not needed in Python>=3.8) by @neutrinoceros in #149
• TST: switch CI to Python 3.11, and other test housekeeping tasks by @neutrinoceros in #148
• BLD: migrate package metadata to pyproject.toml by @neutrinoceros in #154
• MNT: pyproject.toml housekeeping by @neutrinoceros in #156
• MNT: drop dependency on pkg_resources on Python 3.9+ by @neutrinoceros in #155
• MNT: move requirement files to dedicated directory by @neutrinoceros in #158
• TST: use Python 3.11 in bleeding edge CI by @neutrinoceros in #160
• STY: migrate linting to ruff by @neutrinoceros in #157
• BLD: drop pkg_resources as a dependency on Python 3.8 by @neutrinoceros in #159
• BLD: require astropy>=5.0, drop dependency on packaging by @neutrinoceros in #162
• BLD: vendor a minimal version of munch by @neutrinoceros in #163
• REL: update version for the new release by @DrSoulain in #164

Full Changelog: v1.5.0...v1.6.0