Comment poetry.lock for caching support in CI

Author: thibaudcolas

.gitignore

@@ -34,7 +34,6 @@ var/
 *.egg-info/
 .installed.cfg
 *.egg
-poetry.lock
 # PyInstaller
 #  Usually these files are written by a python script from a template
 #  before PyInstaller builds the exe, so as to inject date/other infos into it.