fix(deps): update ghcr.io/containerbase/base docker tag to v14.6.8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/containerbase/base	final	patch	14.6.7 → 14.6.8

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Release Notes

containerbase/base (ghcr.io/containerbase/base)

v14.6.8

Compare Source

Tests

• deps: update dependency mise to v2026.3.13 (main) (#​6268) (d24dd7f)
• deps: update dependency nix to v2.34.3 (main) (#​6270) (e85d481)
• deps: update dependency sbt to v1.12.7 (main) (#​6271) (d628a2b)
• deps: update dependency uv to v0.11.0 (main) (#​6269) (8c5773a)

Build System

• deps: lock file maintenance (main) (#​6273) (bf68153)

Miscellaneous Chores

• deps: update ghcr.io/containerbase/devcontainer docker tag to v14.6.7 (main) (#​6266) (ad17fda)

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