fix(deps): update ghcr.io/containerbase/base docker tag to v14.6.15 (#1641)

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=24.14.1
 
-FROM ghcr.io/containerbase/base:14.6.14@sha256:9c80af117229bfb52cfb29727ad0ebfe956421bbb13785ebd9936ddcd082a62b
+FROM ghcr.io/containerbase/base:14.6.15@sha256:1f64cc9800aa391f863351b26e2365b395a7db937bef270aed09e0583860cc07
 
 ARG NODE_VERSION