Merge branch 'fixdevelimage' into 'main'

use newest jsc-custom version

See merge request !85

requirements.txt

-jupyter-jsc-custom==0.10.10
+jupyter-jsc-custom==0.10.11
 jupyterhub-forwardbasespawner==1.0.3
 jupyterhub-outpostspawner==1.0.0
 jupyterhub-unicorespawner==1.0.0