Merge topic 'ci-pv-release-xcode-15.4' into paraview/release

6c68c368 vtkTesting: clamp negative SSIM values
f053b934 vtkTesting: handle SSIM's [-1,1] range
7a07dd33 vtkTesting: fix typos in log string and comment
a450694a vtkTesting: fix string allocation
9692d102 TestIOSSExodusParallelWriter: fix compilation without MPI
5b1ff455 IO/IOSS/Testing: remove stray comma in source list
f0c476fa Relaxed overly tight floating-point comparison
b95a6030 ci: exclude floating point precision issues
...

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !11675