Bump pytest-codspeed from 3.1.0 to 3.1.2 #3515

Job	Run time
Run benchmarks	1m 31s
py 3.9 on ubuntu-latest (skip_cython)	36s
py 3.9 on ubuntu-latest (use_cython)	1m 6s
py 3.10 on ubuntu-latest (skip_cython)	37s
py 3.10 on ubuntu-latest (use_cython)	1m 3s
py 3.11 on ubuntu-latest (skip_cython)	32s
py 3.11 on ubuntu-latest (use_cython)	1m 18s
py 3.12 on ubuntu-latest (skip_cython)	1m 9s
py 3.12 on ubuntu-latest (use_cython)	1m 8s
py 3.12 on windows-latest (skip_cython)	1m 11s
py 3.12 on macos-latest (skip_cython)	42s
py 3.13 on ubuntu-latest (skip_cython)	48s
py 3.13 on ubuntu-latest (use_cython)	1m 23s
py 3.13 on macos-latest (skip_cython)	35s
	13m 39s

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