fix(deps): update ghcr.io/containerbase/base docker tag to v14.6.18 (#1650)

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:14.6.17@sha256:eec8acbb0bc840962127caaf9512e3511ea3ab3638b9403efd7c4971d9d21f2c
+FROM ghcr.io/containerbase/base:14.6.18@sha256:fef9f980e4e7eb2900e42d2e8f21f38762cf4ab0ab6a3691e2d230e98a340bb6
 
 ARG NODE_VERSION