Add pytest.mark.requires_internet to a few more tests #2893

Job	Run time
Downstream builds with Python 3.8	38s
Downstream builds with Python 3.9	36s
Downstream builds with Python 3.10	46s
Python 3.8 on Linux	2m 16s
Downstream builds with Python 3.11	37s
Python 3.9 on Linux	1m 59s
Downstream builds with Python 3.12	37s
Python 3.10 on Linux	2m 1s
Downstream builds with Python 3.13	46s
Python 3.11 on Linux	1m 50s
Python 3.12 on Linux	2m 29s
Python 3.13 on Linux	2m 36s
Python 3.8 on Windows	3m 16s
Python 3.9 on Windows	3m 24s
Python 3.10 on Windows	4m 6s
Python 3.11 on Windows	3m 57s
Python 3.12 on Windows	4m 37s
Python 3.13 on Windows	4m 47s
Python 3.8 on macOS	1m 42s
Python 3.9 on macOS	1m 14s
Python 3.10 on macOS	1m 45s
Python 3.11 on macOS	1m 9s
Python 3.12 on macOS	1m 33s
Python 3.13 on macOS	1m 41s
Report coverage	35s
check	2s
	50m 59s

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