v2.2.1

What's Changed

• TST: reduce nightly tests frequency from daily to weekly by @neutrinoceros in #275
• [DOC] Minor correction in documentation by @dutta-alankar in #276
• BUG: fix a deprecation warning from numpy 1.25 (np.product is deprecated) by @neutrinoceros in #279
• DOC: add blacken-docs to pre-commit toolbelt by @neutrinoceros in #278
• TST: use numpy and matplotlib nightlies in bleeding-edge CI by @neutrinoceros in #277
• REL: bump version to 2.2.1 by @neutrinoceros in #280

Full Changelog: v2.2.0...v2.2.1