[Inductor] Allocate another shard for testing cpp-wrapper JIT (#121310)
Summary: The ABI-compatible for cpp wrapper has not been turned on as default, so test them separately. Expect to add more tests for the shard.
Differential Revision: [D54617287](https://our.internmc.facebook.com/intern/diff/D54617287)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/121310
Approved by: https://github.com/chenyang78
ghstack dependencies: #121309
