* FIX: update the metadata group of the TREXIO file
This change is required to make `test_qmckl_trexio` pass with the recent additions to the TREXIO (see `unsafe` attribute of the metadata group).
* Install the latest TREXIO in GH actions
* Enable CI test on MacOS
* Fix TREXIO installation on MacOS
* Update TREXIO pkg-config path
* Change PKG_CONFIG_PATH
* Fix F77 issue of autoconf
* Disable useless F77 check