Merge branch 'main' into xpress_slack_bug #72

Job	Run time
lint/style-and-typos	1m 58s
linux/3.8/bare-env	11s
linux/3.12	21m 15s
osx/3.10	25m 32s
win/3.9	51m 11s
linux/3.11/conda	23m 20s
linux/3.10/mpi	8m 58s
linux/3.10/cython	23m 39s
win/3.8/pip	31m 32s
process-coverage-${{ matrix.TARGET }}	0s
	3h 7m 36s

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