dsl: Add ReduceMinMax construct for joint minmax reductions

[FabioLuporini]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 92.06349% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.48%. Comparing base (db3225e) to head (433e7c0).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
devito/ir/clusters/algorithms.py	81.48%	2 Missing and 3 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2890   +/-   ##
=======================================
  Coverage   83.48%   83.48%           
=======================================
  Files         248      248           
  Lines       51496    51539   +43     
  Branches     4434     4437    +3     
=======================================
+ Hits        42993    43029   +36     
- Misses       7753     7758    +5     
- Partials      750      752    +2     

Flag	Coverage Δ
pytest-gpu-aomp-amdgpuX	68.75% <52.08%> (-0.04%)	⬇️
pytest-gpu-gcc-	78.10% <90.47%> (+0.01%)	⬆️
pytest-gpu-icx-	77.75% <90.47%> (+0.05%)	⬆️
pytest-gpu-nvc-nvidiaX	69.29% <52.08%> (-0.04%)	⬇️

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