Update dependencies (km3pipe and km3db)

backend/requirements.txt

 docopt==0.6.2
-km3db==0.10.1
+km3db==0.11.1
 km3io==0.29.0
-km3pipe==9.13.6
+km3pipe==9.13.8
 matplotlib==3.6.2
 numba==0.56.4
 numpy==1.23.4