nncase v2.1.0

New features

• ShapeBucket (#937)
• Feature/egraph sat extract (#963)
• add new hardswish pattern (#969)
• Feature/support output layout (#972)

Bug fixes and performance improve

• Fix bug binary rvv result error (#962)
• Optimize stackvm (#966)
• Fix bug binary result error and support some commonly used shapes (#980)
• Fix bug log softmax get nan or inf result (#985)