Update actions/upload-artifact

Author: cschreib

.github/workflows/cmake.yml

@@ -88,7 +88,7 @@ jobs:
 
     - name: Upload build as an artifact
       if: matrix.build-type == 'Release' && matrix.platform.publish && github.ref == 'refs/heads/main'
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: jsonexpr-build
         path: |