fix(deps): update ghcr.io/containerbase/base docker tag to v14.6.8 (#1618)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Dockerfile

@@ -1,7 +1,7 @@
 # renovate: datasource=node-version depName=node versioning=node
 ARG NODE_VERSION=24.14.0
 
-FROM ghcr.io/containerbase/base:14.6.7@sha256:a610daced307d8c7e08293998ff6e661317630a75b27f4da08a0799db4d6a555
+FROM ghcr.io/containerbase/base:14.6.8@sha256:cf0ea7ce7068b19d2bf9addab60181f4791d932379393f6a92cb3e0ea7953800
 
 ARG NODE_VERSION