Compatible with NetworkManager 1.20 and later.
Summary of changes since NetworkManager-l2tp 1.20.14 :
- Libreswan 4.15 compatibility.
Previous Libreswan 5.0 compatibility changes involving "auto" command detection broke with Libreswan 4.15, but not earlier versions. - Merge translations from KDE Frameworks 6 plasma-nm
- Merge translations from NetworkManager and libnma