tlmgr update

Update TeX Live packages. More information: https://www.tug.org/texlive/tlmgr.html.

• Update all TeX Live packages:
  sudo tlmgr update --all
• Update tlmgr itself:
  sudo tlmgr update --self
• Update a specific package:
  sudo tlmgr update {{package}}
• Update all except a specific package:
  sudo tlmgr update --all --exclude {{package}}
• Update all packages, making a backup of the current packages:
  sudo tlmgr update --all --backup
• Update a specific package without updating its dependencies:
  sudo tlmgr update --no-depends {{package}}
• Simulate updating all packages without making any changes:
  sudo tlmgr update --all --dry-run