Add CMake 4 compatibility (#179)

Also bump pybind11 to the first version that works with CMake 4.

Author: mihaic

bindings/python/CMakeLists.txt

@@ -20,7 +20,7 @@ include(FetchContent)
 FetchContent_Declare(
     pybind11
     GIT_REPOSITORY https://github.com/pybind/pybind11
-    GIT_TAG v2.10.1
+    GIT_TAG v3.0.1
 )
 FetchContent_MakeAvailable(pybind11)
 

bindings/python/pyproject.toml

@@ -16,7 +16,7 @@
 requires = [
     "setuptools>=42",
     "scikit-build",
-    "cmake>=3.21, <4",      # Keep in-sync with `CMakeLists.txt`
+    "cmake>=3.21, <5",      # Keep in-sync with `CMakeLists.txt`
     "numpy>=1.10.0, <2",    # Keep in-sync with `setup.py`
     "archspec>=0.2.0",  # Keep in-sync with `setup.py`
     "toml>=0.10.2",     # Keep in-sync with `setup.py` required for the tests