Fix two worker configurations
Two workers cannot be updated on Arkindex because of their invalid user_configuration
- pylaia_ewt
[INFO] Created worker pylaia_ewt on repository 3ebfcd1d-9ad9-45f4-a94b-b7f3399ce4f1
[WARNING] Failed to import worker configuration: {'configuration': {'user_configuration': [{'lm_weight': {'default': ['Default value is not of type float.']}}]}}
- pylaia_naf
[INFO] Created worker pylaia_naf on repository 3ebfcd1d-9ad9-45f4-a94b-b7f3399ce4f1
[WARNING] Failed to import worker configuration: {'configuration': {'user_configuration': [{'lm_weight': {'default': ['Default value is not of type float.']}}]}}