Tests

DOC: add warnings about get_window_extent and BboxImage #27546

Job	Run time
Python 3.11 on ubuntu-22.04 (Minimum Versions)	22m 34s
Python 3.11 on ubuntu-22.04	25m 13s
Python 3.12 on ubuntu-22.04-arm	13m 27s
Python 3.13 on ubuntu-22.04	15m 51s
Python 3.13t on ubuntu-22.04 Free-threaded	19m 37s
Python 3.12 on ubuntu-24.04	19m 25s
Python 3.10 on macos-13	25m 3s
Python 3.12 on macos-14	21m 58s
Python 3.13 on macos-14	16m 36s
Create issue on failure	0s
	2h 59m 44s

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