v1.4.0

Major changes

• Allow appending data to configuration strings #768
  To append to a value for <name>, type: west config -a <name> <value>
• Add --untracked argument option to west manifest to display untracked files and directories #786
  Run west manifest --untracked in a workspace to print all files and directories that are not tracked or managed by west.
• Add --inactive argument option to west list to support printing inactive projects #794
• Support --active-only argument option for the --resolve and --freeze manifest commands #808

Other changes

• Turn warnings into errors when running tests in CI #760
• Introduce ruff linter #762, #763, #764, #765, #766, #770
• Convert custom argparse action to a mutually exclusive group for the configuration command's
  local/global/system argument #769
• Print an error when reading a missing configuration value #778
• Added a test for built-in or extension commands with duplicate names #780
• Introduce OpenSSF/CodeQL/docker workflows and pin Github actions
  #787, #788, #790, #791, #800, #803 , #804
• Run CodeCov in CI and report coverage #805, #810, #812
• Cancel ongoing CI runs when updating a PR #811
• Use YAML C-loader when available #806
• Drop setuptools dependency #814

Bug fixes

• Fix assertion checks when verifying the output of commands during testing #777
• Remove unnecessary uses of the global/nonlocal declaration #798