v0.100.5

Oceananigans v0.100.5

Diff since v0.100.4

Merged pull requests:

• (0.100.5) Fix outputting index-reduced fields like the free surface height (#4567) (@ali-ramadhan)
• Add fields to implicit_step! in tke_timestep! (#4859) (@simone-silvestri)

Closed issues:

• Unable to output η using NetCDFWriter (#4384)