Install cmakelang

Author: derobins

.github/workflows/cmake-lint.yml

@@ -17,7 +17,9 @@ jobs:
           python-version: '3.10'
 
       - name: Set up cmake-lint
-        run: pip install cmake-lint
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install cmake-lint
 
       - name: Lint all CMake files
         run: |