Fix a MethodError when ambiguities are detected

[PatrickHaecker]

This could happen when using EnumX.jl and resulted in:

Possible fix, define
  ERROR: MethodError: no method matching namemap(::Type{MyModule.MyType.T})
The applicable method may be too new: running in world age 38713, while current world is 38728.

So instead of getting help what to do, there was an exception from Aqua.jl.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.47%. Comparing base (2f43421) to head (a7874bd).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #366   +/-   ##
=======================================
  Coverage   87.47%   87.47%           
=======================================
  Files          12       12           
  Lines         527      527           
=======================================
  Hits          461      461           
  Misses         66       66           

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[PatrickHaecker]

Anything I need to do to get this over the finish line?

[lgoettgens]

Sorry for forgetting about this. I added the missing changelog entry and just enabled auto-merge.