Add option to have inclusive upper boundaries in fitting/excision. #1104

Job	Run time
Code style checks	12s
Code style checks	12s
Python 3.11 with remote data and coverage	6m 17s
Python 3.11 with remote data and coverage	6m 17s
(Allowed Failure) Python 3.12 with remote data and dev version of key dependencies	36s
(Allowed Failure) Python 3.12 with remote data and dev version of key dependencies	39s
Python 3.12 (Windows)	2m 44s
Python 3.12 (Windows)	2m 44s
Python 3.12 (macOS)	1m 27s
Python 3.12 (macOS)	1m 27s
Python 3.10	1m 32s
Python 3.10	1m 32s
Python 3.9	1m 42s
Python 3.9	1m 42s
Python 3.8 with oldest supported version of key dependencies	1m 49s
Python 3.8 with oldest supported version of key dependencies	1m 49s
Upload Coverage	11s
Upload Coverage	11s
	33m 3s

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