chore(deps): update ghcr.io/containerbase/base docker tag to v13.0.18

| datasource | package                    | from    | to      |
| ---------- | -------------------------- | ------- | ------- |
| docker     | ghcr.io/containerbase/base | 13.0.17 | 13.0.18 |

Dockerfile

@@ -3,7 +3,7 @@ ARG RENOVATE_VERSION=39.18.2
 
 # Base image
 #============
-FROM ghcr.io/containerbase/base:13.0.17@sha256:be0dbb12d8187b105d5ed5799fbb5ae1d9f0014380ec71e96fda4b9eb1fc67eb AS base
+FROM ghcr.io/containerbase/base:13.0.18@sha256:7c70fe961f582bbe0581067322d466191042317eaa26602a626c8a8d4980955b AS base
 
 LABEL maintainer="Michael Kriese <[email protected]>"
 LABEL name="renovate"