Bump sigstore/gh-action-sigstore-python from 3.0.1 to 3.1.0 #13724

Job	Run time
Generate llhttp sources	27s
Linter	1m 0s
Benchmark	6m 12s
Test (3.10, ubuntu, false)	4m 9s
Test (3.10, macos, false)	5m 15s
Test (3.11, macos, false)	6m 36s
Test (3.11, windows, false)	5m 0s
Test (3.10, Y, ubuntu, false)	5m 41s
Test (3.10, windows, false)	5m 47s
Test (3.11, Y, ubuntu, false)	5m 20s
Test (3.12, macos, false)	6m 35s
Test (3.12, Y, ubuntu, false)	5m 19s
Test (3.11, ubuntu, false)	3m 50s
Test (3.13, Y, ubuntu, false)	5m 36s
Test (3.13, macos, false)	5m 58s
Test (3.12, ubuntu, false)	3m 54s
Test (3.14, windows, false)	7m 40s
Test (pypy-3.10, Y, ubuntu, false)	8m 49s
Test (3.14, macos, false)	11m 20s
Test (3.13, ubuntu, false)	4m 1s
Test (3.14, ubuntu, false)	6m 11s
Test (3.12, windows, false)	5m 17s
Test (3.14, Y, ubuntu, false)	5m 51s
Test (3.13, windows, false)	5m 23s
Test (ubuntu, 3.14t, false)	3m 49s
check	5s
Pre-Deploy	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }} ${{ matrix.musl }}	0s
Tarball	-1s
Deploy	-1s
	2h 15m 3s

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