fix(deps): update ghcr.io/containerbase/base docker tag to v13.25.21 (#1461)

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=24.12.0
 
-FROM ghcr.io/containerbase/base:13.25.20@sha256:c5e6329f3495c5921d6ca9c0888cd5aa334ef6c7b92cacf994bfc0bfb2ecefb0
+FROM ghcr.io/containerbase/base:13.25.21@sha256:4696970ce0d247f2e65428e58bc616a77e6b97380013ce984b3494c559155ba8
 
 ARG NODE_VERSION