[PR #9406/24b0e6f backport][3.10] Add slots to timer helpers #6651

Job	Run time
Generate llhttp sources	5s
Linter	54s
Test (3.8, ubuntu, false)	6m 5s
Test (3.8, windows, false)	6m 9s
Test (3.8, Y, ubuntu, false)	5m 28s
Test (3.9, ubuntu, false)	6m 47s
Test (3.9, macos, false)	5m 41s
Test (3.9, windows, false)	6m 20s
Test (3.9, Y, ubuntu, false)	5m 14s
Test (3.10, ubuntu, false)	7m 42s
Test (3.10, macos, false)	4m 13s
Test (3.10, windows, false)	8m 2s
Test (3.10, Y, ubuntu, false)	4m 57s
Test (3.11, ubuntu, false)	6m 0s
Test (3.11, macos, false)	4m 22s
Test (3.11, windows, false)	7m 0s
Test (3.11, Y, ubuntu, false)	5m 50s
Test (3.12, ubuntu, false)	6m 50s
Test (3.12, macos, false)	4m 34s
Test (3.12, windows, false)	8m 26s
Test (3.12, Y, ubuntu, false)	6m 25s
Test (3.13, ubuntu, false)	6m 53s
Test (3.13, macos, false)	4m 51s
Test (3.13, windows, false)	8m 0s
Test (3.13, Y, ubuntu, false)	5m 48s
Test (pypy-3.9, Y, ubuntu, false)	11m 25s
Test (ubuntu, 3.14, true, Y)	2m 51s
check	1s
Pre-Deploy	0s
Tarball	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }}	0s
Deploy	0s
	2h 36m 53s

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