pysal/spaghetti: v1.7.6

<!-- Release notes generated using configuration in .github/release.yml at v1.7.6 --> What's Changed Other Changes gpd & shp as hard reqs -- no optional testing -- #763 by @jGaboardi in https://github.com/pysal/spaghetti/pull/764 [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/pysal/spaghetti/pull/765 update docstring tests -- numpy-2.0 failures by @jGaboardi in https://github.com/pysal/spaghetti/pull/769 #770 -- doctests after full tests by @jGaboardi in https://github.com/pysal/spaghetti/pull/771 Full Changelog: https://github.com/pysal/spaghetti/compare/v1.7.5...v1.7.6