Fix indentation

[danez]

2025-08-29 19:26:12.665 ERROR (SyncWorker_7) [supervisor.utils.yaml] Can't read YAML file /data/addons/git/c676133d/ha_addon_debug/translations/de.yaml - while parsing a block mapping
Aug 29 17:26:12 homeassistant hassio_supervisor[668]:   in "/data/addons/git/c676133d/ha_addon_debug/translations/de.yaml", line 2, column 1
Aug 29 17:26:12 homeassistant hassio_supervisor[668]: did not find expected key
Aug 29 17:26:12 homeassistant hassio_supervisor[668]:   in "/data/addons/git/c676133d/ha_addon_debug/translations/de.yaml", line 6, column 3

[s-allius]

Since this repro ist the source for the files, I checked the code in the s-allius/tsun-gen3-proxy repro and will close this pull request here.