chore: upper-bound Mooncake version (coherence with General)

[gdalle]

Ensures coherence with JuliaRegistries/General#152662

See also:

• Changes in Mooncake 0.5.25 that may affect DI users #986
• Mooncake 0.5.25 compat #988

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.21%. Comparing base (a5ecbe0) to head (f14f968).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #995   +/-   ##
=======================================
  Coverage   98.21%   98.21%           
=======================================
  Files         135      135           
  Lines        8000     8000           
=======================================
  Hits         7857     7857           
  Misses        143      143           

Flag	Coverage Δ
DI	98.97% <ø> (ø)
DIT	96.22% <ø> (ø)

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