Fix cmake warning about future support removal

[rndx21033]

Fix warning about CMake future removal for support of versions < 3.5

[tigercosmos]

@rndx21033 what warnings?

[rndx21033]

@rndx21033 what warnings?

cmake --version

cmake version 3.28.1

CMake suite maintained and supported by Kitware (kitware.com/cmake).

cmake -S . -B build

#....various cmake output....
#....followed by this:

CMake Deprecation Warning at 3rdParty/MemPlumber/MemPlumber/CMakeLists.txt:1 (cmake_minimum_required):
Compatibility with CMake < 3.5 will be removed from a future version of
CMake.

Update the VERSION argument value or use a ... suffix to tell
CMake that the project does not need compatibility with older versions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.90%. Comparing base (4af4b8b) to head (3cb14b4).
Report is 3 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1579      +/-   ##
==========================================
- Coverage   82.91%   82.90%   -0.01%     
==========================================
  Files         273      273              
  Lines       46261    46261              
  Branches     9412     9492      +80     
==========================================
- Hits        38356    38353       -3     
- Misses       7049     7073      +24     
+ Partials      856      835      -21     

Flag	Coverage Δ
fedora39	74.51% <ø> (-0.01%)	⬇️
macos-12	80.88% <ø> (ø)
macos-13	80.30% <ø> (+<0.01%)	⬆️
macos-14	80.22% <ø> (ø)
mingw32	70.29% <ø> (-0.02%)	⬇️
mingw64	70.24% <ø> (-0.05%)	⬇️
npcap	84.75% <ø> (-0.09%)	⬇️
rhel94	74.28% <ø> (-0.01%)	⬇️
ubuntu2004	57.84% <ø> (+<0.01%)	⬆️
ubuntu2004-zstd	57.97% <ø> (-0.03%)	⬇️
ubuntu2204	74.22% <ø> (+<0.01%)	⬆️
ubuntu2204-icpx	58.39% <ø> (-0.04%)	⬇️
ubuntu2404	74.45% <ø> (-0.03%)	⬇️
unittest	82.90% <ø> (-0.01%)	⬇️
windows-2019	84.87% <ø> (-0.02%)	⬇️
windows-2022	84.87% <ø> (-0.02%)	⬇️
winpcap	84.85% <ø> (ø)
xdp	49.20% <ø> (ø)

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