Update project: Update lab-cosmo projects

[Irratzo]

• https://github.com/lab-cosmo/metatensor
  • redirected to https://github.com/metatensor/metatensor
• https://github.com/luthaf/rascaline
  • redirected to https://github.com/metatensor/featomic
• https://github.com/Luthaf/rascaline-torch
  • renamed to https://github.com/Luthaf/archived-rascaline-torch
  • archived
  • development continued at https://github.com/metatensor/featomic
• https://github.com/jwa7/rho_learn
  • renamed to https://github.com/m-stack-org/rho_lear
  • archived
  • development continued at https://github.com/lab-cosmo/rholearn