Add option to have inclusive upper boundaries in fitting/excision. (#… #1110

Job	Run time
Code style checks	16s
(Allowed Failure) Python 3.12 with remote data and dev version of key dependencies	6m 29s
Python 3.11 with remote data and coverage	22m 51s
Python 3.12 (macOS)	2m 31s
Python 3.12 (Windows)	2m 54s
Python 3.10	3m 1s
Python 3.9	2m 42s
Python 3.8 with oldest supported version of key dependencies	2m 37s
Upload Coverage	0s
	43m 21s

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