Currently, YamlLint complains about the line-length in securitycheck.yml GitHub Worflow.

This MR resolves that violation by adding a comment telling YamlLint to shut the fuck up kindly ignore that specific line.

(see https://yamllint.readthedocs.io/en/stable/disable_with_comments.html for documentation details).

As using on: as a key name is no longer marked as a violation (by the truthy rule configuration in the .yamllint file), the following diable comment has been removed in all files that had it:

# yamllint disable-line rule:truthy