Revert "Go back to CMake 3.25.2 (#4496)"

This reverts commit b8f2855.

Author: rwgk

.github/workflows/ci.yml

@@ -83,9 +83,6 @@ jobs:
 
     - name: Update CMake
       uses: jwlawson/[email protected]
-      # TEMPORARILY pin version because 3.26.0-rc1 is failing under macOS:
-      with:
-        cmake-version: '3.25.2'
 
     - name: Cache wheels
       if: runner.os == 'macOS'
@@ -1074,9 +1071,6 @@ jobs:
 
       - name: Update CMake
         uses: jwlawson/[email protected]
-        # TEMPORARILY pin version because 3.26.0-rc1 is failing under macOS:
-        with:
-          cmake-version: '3.25.2'
 
       - name: Run pip installs
         run: |