BUG: Fix venv_paths tuple unpacking after python_sabi_library addition

All call sites that unpack venv_paths() now include the new
python_sabi_library element. Also fix windows_build_module_wheels.py
to pass python_sabi_library (not python_library) for Python3_SABI_LIBRARY.

Update ITK to include Python CMake fixes.

Author: thewtex

CMakeLists.txt

@@ -94,8 +94,8 @@ if(ITKPythonPackage_SUPERBUILD)
 
   set(ITK_REPOSITORY "https://github.com/InsightSoftwareConsortium/ITK.git")
 
-  # release branch, 2026-02-25
-  set(ITK_GIT_TAG "v6.0b02")
+  # release branch, 2026-03-10
+  set(ITK_GIT_TAG "c6e1c1be6a86236cbb812bd71eec5a4df9b1353c")
 
   #-----------------------------------------------------------------------------
   # A separate project is used to download ITK, so that it can reused

scripts/windows_build_module_wheels.py

@@ -44,6 +44,7 @@ def build_wheels(py_envs=DEFAULT_PY_ENVS, cleanup=True, cmake_options=[]):
             python_executable,
             python_include_dir,
             python_library,
+            python_sabi_library,
             pip,
             ninja_executable,
             path,
@@ -116,7 +117,7 @@ def build_wheels(py_envs=DEFAULT_PY_ENVS, cleanup=True, cmake_options=[]):
                         "--config-setting=cmake.define.Python3_LIBRARY:FILEPATH=%s"
                         % python_library,
                         "--config-setting=cmake.define.Python3_SABI_LIBRARY:FILEPATH=%s"
-                        % python_library,
+                        % python_sabi_library,
                     ]
                     + [
                         o.replace("-D", "--config-setting=cmake.define.")
@@ -174,6 +175,7 @@ def rename_wheel_init(py_env, filepath, add_module_name=True):
         python_executable,
         python_include_dir,
         python_library,
+        python_sabi_library,
         pip,
         ninja_executable,
         path,

scripts/windows_build_wheels.py

@@ -298,6 +298,7 @@ def test_wheels(python_env):
         python_executable,
         python_include_dir,
         python_library,
+        python_sabi_library,
         pip,
         ninja_executable,
         path,