Fix cmake to work with new version of opencv please? I have 4.5.4

[KirkPen]

kirk@Ubuntu-22:~/dev/ORB_SLAM2/build$ cmake .. -DCMAKE_BUILD_TYPE=Release
CMake Deprecation Warning at CMakeLists.txt:1 (cmake_minimum_required):
Compatibility with CMake < 2.8.12 will be removed from a future version of
CMake.

Update the VERSION argument value or use a ... suffix to tell
CMake that the project does not need compatibility with older versions.

Build type: Release
-- Using flag -std=c++11.
CMake Error at CMakeLists.txt:35 (message):
OpenCV > 2.4.3 not found.

-- Configuring incomplete, errors occurred!
See also "/home/kirk/dev/ORB_SLAM2/build/CMakeFiles/CMakeOutput.log".

[zoldaten]

~/ORB_SLAM2$ nano CMakeLists.txt
    find_package(OpenCV 4.0 QUIET)