Spu

- [API] Added rsqrt support
- [bugfix] Fixed some crashes and wrong answers

20220527

- [API] Add exp/log approximation configurations.
- [API] Change SigmoidMode enum value.

20220513

- [SPU] 0.0.10
- [Infra] Set minimum macOS requirements to 11.0
- [Feature] Performance improvements
- [Feature] Support SelectAndScatter.

20220511

- [Feature] Add spu.binding.distributed.
- [API] Expose visibility to ValueProto.
- [bugfix] Fixed several vtype and dtype mismatches.
- [bugfix] Improve multiply accuracy under certain scenarios.
- [bugfix] Ensure dynamic-slice & dynamic-update-slice OOB behavior is aligned with XLA semantics.

20220427

- [bugfix] Fix iota type mismatch.

20220425

- [Feature] Add tanh support.
- [bugfix] Fix secret shift wrong answer.

20220424

- [bugfix] Fix secret shift.

20220422