chore(deps): update ghcr.io/luzifer/ots docker tag to v1.21.8

[renovate]

This PR contains the following updates:

Package	Update	Change
ghcr.io/luzifer/ots (source)	patch	1.21.7 → 1.21.8
ghcr.io/luzifer/ots (source)	patch	v1.21.7 → v1.21.8

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Release Notes

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

v1.21.8

Compare Source

• Bugfixes
  • fix(sec): putting JSON into string make XSS possible
  • fix(sec): zero expiry creates non-expiring storage entries (see GHSA-6ppq-9x26-5r92)
  • fix(sec): race between read and delete when using redis/valkey (see GHSA-92r4-rpw3-7cwm)
  • fix(deps): update dependency @​fortawesome/fontawesome-free to v7.3.0 (#​432)
  • fix(deps): update dependency vue to v3.5.39 (#​431)

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