Update CMake in docker images

Author: aprokop

docker/Dockerfile

@@ -35,7 +35,7 @@ RUN KEYDUMP_URL=https://cloud.cees.ornl.gov/download && \
 
 # Install CMake
 ENV CMAKE_DIR=/opt/cmake
-RUN CMAKE_VERSION=3.16.9 && \
+RUN CMAKE_VERSION=3.19.7 && \
     CMAKE_KEY=2D2CEF1034921684 && \
     CMAKE_URL=https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION} && \
     CMAKE_SCRIPT=cmake-${CMAKE_VERSION}-Linux-x86_64.sh && \