Update jupyter-jupyterlab-server to version 2.15.2 / rev 11 via SR 1010473
    
    https://build.opensuse.org/request/show/1010473
    by user bnavigator + dimstar_suse
    - update to 2.15.2
      * Pin openapi_core dependency #308 (@blink1073)
    - Disable openapi tests, as openapi-core 0.15.x is not compatible
      * gh#jupyterlab/jupyterlab_server#308