CompatHelper: bump compat for Oceananigans to 0.98, (keep existing compat) (#608)

Co-authored-by: CompatHelper Julia <[email protected]>

Author: github-actions[bot]

Project.toml

@@ -55,7 +55,7 @@ JLD2 = "0.4, 0.5, 0.6"
 KernelAbstractions = "0.9"
 MPI = "0.20"
 NCDatasets = "0.12, 0.13, 0.14"
-Oceananigans = "0.97.6"
+Oceananigans = "0.97.6, 0.98"
 OffsetArrays = "1.14"
 PrecompileTools = "1"
 PythonCall = "0.9"