* Add universal build_type variant to CMakePackage
* Override build_type in some packages with different possible values
* Remove reference to no longer existent debug variant
* Update CBTF packages with new build_type variant
* Keep note on build size of LLVM
* opencoarrays: new package
* opencoarrays: remove tests from install due to (unimportant) failures in some configurations
* opencoarrays: fix flake8 errors