Ignore deprecation warnings coming from upstream gwcs package #1191

Job	Run time
(Allowed Failure) Python 3.12 with remote data and dev version of key dependencies	7m 15s
(Allowed Failure) Python 3.12 with remote data and dev version of key dependencies	6m 46s
Code style checks	11s
Code style checks	11s
Python 3.12 (macOS)	1m 24s
Python 3.12 (macOS)	1m 15s
Python 3.11 with remote data and coverage	7m 12s
Python 3.11 with remote data and coverage	23m 48s
Python 3.12 (Windows)	2m 17s
Python 3.12 (Windows)	2m 50s
Python 3.10 (MacOS)	2m 20s
Python 3.10 (MacOS)	1m 53s
Python 3.10 with oldest supported version of key dependencies	1m 49s
Python 3.10 with oldest supported version of key dependencies	1m 58s
Upload Coverage	0s
Upload Coverage	0s
	1h 1m 9s

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