v0.96.3

Oceananigans v0.96.3

Diff since v0.96.2

Merged pull requests:

• Implement Distributed{<:ReactantState} (#4200) (@glwagner)
• Support BoussinesqEquationOfState in NetCDFWriter (#4252) (@jbisits)
• Generalize Simulation struct (#4261) (@glwagner)
• Fix array indexing (#4264) (@wsmoses)
• Bump to 0.96.3 (#4273) (@glwagner)

Closed issues:

• Missing method for default_tracer_attributes in NetCDFWriter when using a BoussinesqEquationOfState from SeawaterPolynomails.jl (#4251)
• Blowup when trying to reproduce MITgcm Barotropic Ocean Gyre (#4267)