Tag to be used with the master branch of atlas/athena.
Update(s) since 2.0.123:
  - Silenced the messages from OpenMP while looking for the BLAS library;
  - Made it possible to declare multiple environment variables in atlas_add_test;
  - Upgraded Gdb to version 11.1;
  - Added the location of the sqlite executable to the PATH environment variable;
  - Removed cppcheck from AthenaExternals.
This tag has no release notes.