Merge branch 'setpriv-landlock-improvements' of https://github.com/Skyb0rg007/util...

* 'setpriv-landlock-improvements' of https://github.com/Skyb0rg007/util-linux:
  setpriv: improve --landlock-support option
  setpriv: add bash completion to landlock options
  setpriv: add --landlock-support option
  setpriv: limit landlock-rule to access restrictions
  setpriv: error when a landlock rule has no access
  setpriv: add resolve-unix filesystem access option
  setpriv: use rules supported by the current kernel
  setpriv: replace landlock header with our own definitions