Version 1.4

• #177: Support enum-like unions (ie unions where no cases have fields) as key for maps and dictionaries.
• #180: In WithOverrides, allow using typedefof to override generic types.
• #181: Add WithOverrideMembers option to add JsonNameAttributes to given record fields or union cases.
• #192: Update dependency on System.Text.Json to 6.0.10.
• #195: Fix JsonNameAttribute's PropertyTargets so that it can be applied to cases with arguments when compiling with F# 9.
• #198: Improve performance of type comparisons.
• #201: Reduce memory allocations when serializing or deserializing tuples and struct tuples with 2, 3 or 4 items.