cmake: fix this if when MPI_C_LIBRARIES is made of a list of several libraries

See merge request !508

cmake: fix this if when MPI_C_LIBRARIES is made of a list of several libraries. This fixes cmake with nmad/madmpi.

GETRF: Add a bcast version of the workspace without ring

See merge request !504

getrf: Add a bcast version of the workspace copy and the possibility to switch after ringswitch iterations to the ring bcast

Make sure testings are succeeding when SBC is enabled.

See merge request !503

Update CI to fix sonarqube job and use chameleon_env script in build

See merge request solverstack/chameleon!502

sonarqube job: fix the git grep call of ./tools/find_sources.sh by fixing the gitlab-ci "detected dubious ownership in repository" problem

Update docker environment, use shared runners, and plafrim for cuda/rocm

See merge request !501

pkg-config: remove the cuda.pc and mpi.pc required dependencies, these files are not common and not installed usually
ChameleonPkgConfig.cmake: find the precise mpi .pc file to add in chameleon.pc required packages

cmake: if CHAMELEON_ENABLE_DOC is set to ON (OFF by default) then finding doxygen and emacs (with htmlize) are required. tex program is not necessary.

- fix a cppcheck option in analysis.sh.
- narrow the focus for sonarqube coverage (gpucublas, gpuhipblas)

Update build stage in order to use the new docker image and handle cuda and hip builds on plafrim using a guix environment

Fix descriptor creation with lapack layout matrices

See merge request !500

fix matrix scaling by a complex scalar

See merge request !499