GeophysicalFlows v0.16.4

Diff since v0.16.3

Merged pull requests:

• Add finite depth functionality to SurfaceQG (#375) (@mncrowe)
• Update He & Wang 2024 (#379) (@navidcy)
• Cleanup for MultilayerQG fluxes + add test for fluxes with nlayers=3 (#380) (@navidcy)
• Cleaning up (#381) (@navidcy)
• Update Pudig and Smith (2025) (#382) (@navidcy)
• Add QGDipoles.jl (#384) (@navidcy)

Closed issues:

• Add finite depth parameter to SQG model (surfaceqg.jl) (#374)