test

Enable decimal benchmarks in the test suite (MANIFEST) #2416

Job	Run time
ubuntu-24.04-arm - 3.12	7m 46s
ubuntu-latest - 3.12	8m 49s
ubuntu-latest - 3.11	8m 38s
ubuntu-24.04-arm - 3.11	7m 51s
ubuntu-24.04-arm - 3.14 free-threading	7m 46s
ubuntu-latest - 3.14	8m 58s
ubuntu-24.04-arm - 3.13	7m 34s
ubuntu-latest - 3.10	7m 35s
ubuntu-latest - 3.14 free-threading	8m 43s
ubuntu-24.04-arm - 3.14	8m 1s
windows-latest - 3.14	13m 11s
ubuntu-24.04-arm - 3.10	6m 36s
ubuntu-latest - pypy-3.11	6h 0m 14s
ubuntu-latest - 3.15-dev free-threading	9m 38s
ubuntu-latest - 3.15-dev	7m 59s
macos-latest - 3.14	9m 43s
ubuntu-latest - 3.13	8m 8s
	8h 17m 10s

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