chore(deps): update ghcr.io/luzifer/ots docker tag to v1.21.1

[renovate]

This PR contains the following updates:

Package	Update	Change
ghcr.io/luzifer/ots (source)	patch	1.21.0 → 1.21.1
ghcr.io/luzifer/ots (source)	patch	v1.21.0 → v1.21.1

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Release Notes

Luzifer/ots (ghcr.io/luzifer/ots)

v1.21.1

Compare Source

• Bugfixes
  • fix: navbar always showing light-theme icon (#​236) (thanks @​skillpoint-dev)
  • fix(deps): update dependency vue to v3.5.28
  • fix(deps): update module github.com/luzifer/go_helpers/v2 to v2.25.2
  • fix(deps): update module github.com/luzifer/rconfig/v2 to v2.6.1
  • fix(deps): update module github.com/redis/go-redis/v9 to v9.17.3

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