ci: update to setup-cmake v1.6 (#2805)

Author: henryiii

.github/workflows/configure.yml

@@ -55,7 +55,7 @@ jobs:
     # An action for adding a specific version of CMake:
     #   https://github.com/jwlawson/actions-setup-cmake
     - name: Setup CMake ${{ matrix.cmake }}
-      uses: jwlawson/actions-setup-cmake@v1.5
+      uses: jwlawson/actions-setup-cmake@v1.6
       with:
         cmake-version: ${{ matrix.cmake }}