Ciphers supports padding parameter; Upgrade tongsuo from 8.3.1 to 8.4.0 #82

Job	Run time
macos (macos-13, x86_64, 3.7, tests-nocoverage)	4m 28s
windows (x86, win32, VC-WIN32, 3.7, tests-nocoverage, 8.4.0, 0)	9m 47s
macos (macos-13, x86_64, 3.12, tests)	3m 25s
linux (3.12, flake)	22s
windows (x86, win32, VC-WIN32, 3.7, tests-nocoverage, 8.4.0, 1)	10m 11s
macos (macos-14, arm64, 3.12, tests)	1m 25s
linux (pypy-3.9, tests-nocoverage, 8.4.0)	1m 54s
windows (x86, win32, VC-WIN32, 3.7, tests-nocoverage, 8.4.0, 2)	9m 8s
linux (pypy-3.10, tests-nocoverage, 8.4.0)	2m 5s
windows (x86, win32, VC-WIN32, 3.12, tests, 8.4.0, 0)	10m 12s
linux (3.12, tests-randomorder, 8.4.0)	2m 0s
windows (x86, win32, VC-WIN32, 3.12, tests, 8.4.0, 1)	11m 13s
windows (x86, win32, VC-WIN32, 3.12, tests, 8.4.0, 2)	10m 12s
linux (3.12, tests, 8.4.0)	1m 55s
windows (x64, win64, VC-WIN64A, 3.7, tests-nocoverage, 8.4.0, 0)	9m 3s
windows (x64, win64, VC-WIN64A, 3.7, tests-nocoverage, 8.4.0, 1)	8m 36s
windows (x64, win64, VC-WIN64A, 3.7, tests-nocoverage, 8.4.0, 2)	8m 16s
windows (x64, win64, VC-WIN64A, 3.12, tests, 8.4.0, 0)	8m 26s
windows (x64, win64, VC-WIN64A, 3.12, tests, 8.4.0, 1)	8m 24s
windows (x64, win64, VC-WIN64A, 3.12, tests, 8.4.0, 2)	8m 25s
all-green	27s
	2h 9m 54s

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