install pynipap with pip3

Author: garberg

.github/workflows/ci.yml

@@ -93,7 +93,7 @@ jobs:
         sudo nipap-passwd add -u unittest -p gottatest -n unittest
         sudo nipap-passwd add -u readonly -p gottatest --readonly -n "Read-only user for running unit tests"
         # install pynipap
-        cd pynipap; sudo python3 setup.py install; cd ..
+        cd pynipap; sudo -H pip3 install --break-system-packages -I .; cd ..
         # install nipap-cli dependencies
         sudo -H pip3 install --break-system-packages -I -r nipap-cli/requirements.txt
         # start nipap backend