Chisel v3.5.6

Deprecation

• Deprecate TruthTable.sort (#2935)
• Promote ChiselEnum user APIs from experimental (#2929)

Performance

• Implement compressed Namespace (#2856)
• Improve performance of ChiselEnum annotations (#2923)
• TruthTable improvements: structural equality (#2935)

BugFix

• Fix names of OpaqueTypes in fullModulePorts (#2845)
• Make PriorityMux stack safe (#2854)
• Fix string interpolation in util.exprimental.decode.bitset (#2882)
• Check for Vec subaccess in NamedComponent and throw a nicer error (#2907)

Other

• Add versionScheme (PVP) to SBT publish settings (#2871)