Testing v0.13.0~ynh1, Spider Sloth

[OniriCorpe]

Problem

• new upstream version #115

Solution

• upgrade config for v0.13.0, Spider Sloth
• add a warning about the post upgrade inaccessibility

PR Status

• [x] Code finished and ready to be reviewed/tested
• [ ] The fix/enhancement were manually tested (if applicable)

[yunohost-bot]

:stuck_out_tongue_winking_eye: