Log Message:
py-scipy: updated to 1.15.1

SciPy 1.15.1

REL, MAINT: prep for 1.15.1
MAINT: fix url for array-api-extra git submodule
BLD: fix some issues with undeclared internal build dependencies
TST: fix thread safety issue in interpolate.bsplines memmap test
TST: stats.Normal: bump tolerance on test of logcdf
MAINT: Update highs subproject commit