fix(deps): update ghcr.io/containerbase/base docker tag to v14.6.20 (#1658)

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:14.6.19@sha256:e40e3261a844d4a7bc7681f7c7c5fed778adeeaa17c3554b4c9d6da1c358edba
+FROM ghcr.io/containerbase/base:14.6.20@sha256:d81e298a1d585c636ac609cbba6182537915b02545f60482f431d22e16609355
 
 ARG NODE_VERSION