COMP: Update CMake to 4.2.3

Latest version on lukka/get-cmake.

Author: thewtex

.github/workflows/build-test-cxx.yml

@@ -76,7 +76,7 @@ jobs:
         python -m pip install ninja
 
     - name: Get specific version of CMake, Ninja
-      uses: lukka/get-cmake@v3.29.0
+      uses: lukka/get-cmake@v4.2.3
 
     - name: 'Specific XCode version = 16.2'
       if: matrix.os == 'macos-15-intel' || matrix.os == 'macos-15'

.github/workflows/build-test-package-python.yml

@@ -265,7 +265,7 @@ jobs:
         sudo xcode-select -s "/Applications/Xcode_16.2.app"
 
     - name: Get specific version of CMake, Ninja
-      uses: lukka/get-cmake@v3.29.0
+      uses: lukka/get-cmake@v4.2.3
 
     - name: 'Fetch build script'
       if: matrix.python3-minor-version != '8'
@@ -345,7 +345,7 @@ jobs:
 
     steps:
     - name: Get specific version of CMake, Ninja
-      uses: lukka/get-cmake@v3.29.0
+      uses: lukka/get-cmake@v4.2.3
 
     - uses: actions/checkout@v4
       with: