Hotfix release 1.15.1

Notable changes:
*  2023-05-04 dfa09ea actionless doc(pkg: bin: pikaur): add link to installation instructions
*  2023-05-04 fbfdb60 actionless fix(args): --nodeps could be used more than once
*  2023-05-04 79f454d actionless style: lint packaging/usr/bin/pikaur