software/{theia,jupyter}: fix typo in response schema filename

4 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS.SlapRunner.ResilienceTest-Master

00:26:39

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

00:25:27

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python2

06:38:18

failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

21:09:54