CliMA/Oceananigans.jl: v0.77.3

Oceananigans v0.77.3 Diff since v0.77.2 Closed issues: Zero-ed initial guess to preconditioner for CG solver improves performance compared to using previous z (#2655) Add GPU functionality to Multigrid solver (#2657) Potential bug introduced either in immersed boundaries or at PGC (or somewhere else)? (#2708) maximum(::Field) not working on GPU (#2727) Volume integral of buoyancy variance changed between v0.71.6 and v0.72.4 (#2735) Merged pull requests: Preconditioning CG solver with Multigrid (#2654) (@elise-palethorpe) Add GPU functionality to Multigrid solver (#2688) (@elise-palethorpe) Update dependencies (#2695) (@navidcy) Add test for implicit free surface with immersed boundary (#2712) (@navidcy) Slightly reorganizes dependencies in tests (#2715) (@tomchor) Fix notation k̂ -> ẑ (#2716) (@navidcy) Fix bullet points in Docs/Model setup/Boundary conditions (#2731) (@navidcy) Fix examples is CFL docstrings (#2732) (@navidcy) Correct computation for buoyancy dissipation rate, χ_diff + demonstrate Integral (#2734) (@navidcy) Reduces allocations for Multigrid solver on CPU: Multilevel structure only created when required (#2736) (@elise-palethorpe) CompatHelper: add new compat entry for AMGX at version 0.1, (keep existing compat) (#2738) (@github-actions[bot]