[PR #8299/28d026eb backport][3.9] Create marker for internal tests #3200

Job	Run time
Linter	56s
Generate llhttp sources	4s
Test (3.8, ubuntu, false)	5m 44s
Test (3.8, windows, false)	5m 48s
Test (3.8, Y, ubuntu, false)	5m 10s
Test (3.9, ubuntu, false)	5m 22s
Test (3.9, macos, false)	7m 42s
Test (3.9, windows, false)	6m 22s
Test (3.9, Y, ubuntu, false)	4m 50s
Test (3.10, ubuntu, false)	5m 42s
Test (3.10, macos, false)	8m 34s
Test (3.10, windows, false)	7m 12s
Test (3.10, Y, ubuntu, false)	4m 39s
Test (3.11, ubuntu, false)	5m 4s
Test (3.11, macos, false)	7m 53s
Test (3.11, windows, false)	5m 6s
Test (3.11, Y, ubuntu, false)	4m 31s
Test (3.12, ubuntu, false)	5m 42s
Test (3.12, macos, false)	6m 36s
Test (3.12, windows, false)	6m 34s
Test (3.12, Y, ubuntu, false)	4m 31s
Test (pypy-3.9, Y, ubuntu, false)	10m 46s
Test (ubuntu, 3.13, true, Y)	56s
check	9s
Pre-Deploy	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Tarball	0s
Deploy	0s
	2h 5m 53s

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