Set CMP0094 to NEW

[traversaro]

Fix #1505 .
Supersedes #1506 .

[traversaro]

Windows build still fails with:

2023-10-29T21:58:29.6442438Z   -- Found SWIG: C:/Miniconda3/envs/test/Library/bin/swig.exe (found version "4.1.1")  
2023-10-29T21:58:29.6582916Z   -- C:/Miniconda3/envs/test/Library/share/cmake-3.27/Modules/UseSWIG.cmake
2023-10-29T21:58:35.8540595Z   -- Found Python: C:/hostedtoolcache/windows/Python/3.12.0/x64/python3.exe (found version "3.12.0") found components: Interpreter Development Development.Module Development.Embed 
2023-10-29T21:58:35.8590547Z   CMake Warning (dev) at C:/Miniconda3/envs/test/Library/share/cmake-3.27/Modules/UseSWIG.cmake:809 (message):
2023-10-29T21:58:35.8592166Z     Policy CMP0078 is not set: UseSWIG generates standard target names.  Run
2023-10-29T21:58:35.8593408Z     "cmake --help-policy CMP0078" for policy details.  Use the cmake_policy
2023-10-29T21:58:35.8594471Z     command to set the policy and suppress this warning.
2023-10-29T21:58:35.8595266Z   
2023-10-29T21:58:35.8595782Z   Call Stack (most recent call first):
2023-10-29T21:58:35.8596524Z     bindings/CMakeLists.txt:59 (swig_add_library)
2023-10-29T21:58:35.8597490Z   This warning is for project developers.  Use -Wno-dev to suppress it.
2023-10-29T21:58:35.8598348Z   
2023-10-29T21:58:35.8842480Z   CMake Warning (dev) at C:/Miniconda3/envs/test/Library/share/cmake-3.27/Modules/UseSWIG.cmake:651 (message):
2023-10-29T21:58:35.8844239Z     Policy CMP0086 is not set: UseSWIG honors SWIG_MODULE_NAME via -module
2023-10-29T21:58:35.8845613Z     flag.  Run "cmake --help-policy CMP0086" for policy details.  Use the
2023-10-29T21:58:35.8846921Z     cmake_policy command to set the policy and suppress this warning.
2023-10-29T21:58:35.8847913Z   
2023-10-29T21:58:35.8848514Z   Call Stack (most recent call first):
2023-10-29T21:58:35.8849908Z     C:/Miniconda3/envs/test/Library/share/cmake-3.27/Modules/UseSWIG.cmake:922 (SWIG_ADD_SOURCE_TO_MODULE)
2023-10-29T21:58:35.8852590Z     bindings/CMakeLists.txt:59 (swig_add_library)
2023-10-29T21:58:35.8853721Z   This warning is for project developers.  Use -Wno-dev to suppress it.
2023-10-29T21:58:35.8854737Z   
2023-10-29T21:58:35.9231781Z   Traceback (most recent call last):
2023-10-29T21:58:35.9232702Z     File "<string>", line 1, in <module>
2023-10-29T21:58:35.9233671Z   ModuleNotFoundError: No module named 'distutils'
2023-10-29T21:58:35.9303083Z   CMake Error at bindings/CMakeLists.txt:91 (install):
2023-10-29T21:58:35.9304091Z     install FILES given no DESTINATION!
2023-10-29T21:58:35.9304798Z   
2023-10-29T21:58:35.9305333Z   
2023-10-29T21:58:35.9317311Z   CMake Error at bindings/CMakeLists.txt:92 (install):
2023-10-29T21:58:35.9318431Z     install TARGETS given no LIBRARY DESTINATION for module target
2023-10-29T21:58:35.9319330Z     "_icub_python".
2023-10-29T21:58:35.9319863Z   
2023-10-29T21:58:35.9320284Z   
2023-10-29T21:58:36.0894046Z   -- Configuring incomplete, errors occurred!

However, this is probably an effect of:

• icub-main has CMP0094 set to OLD, and GitHub Actions has a installed non-conda python installed in C:/hostedtoolcache/windows/Python/3.12.0/x64/python3.exe that CMake finds

As this will be fixed by #1508, I would merge this that improves the situation.