fix(deps): update ghcr.io/renovatebot/base-image docker tag to v1.20.2 (#27078)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

tools/docker/Dockerfile

@@ -4,12 +4,12 @@ ARG BASE_IMAGE_TYPE=slim
 # --------------------------------------
 # slim image
 # --------------------------------------
-FROM ghcr.io/renovatebot/base-image:1.20.1@sha256:b63034bd1f197cde88d809e03b6e8ce88b41d739be5e71d0438fb8dd96618f5a AS slim-base
+FROM ghcr.io/renovatebot/base-image:1.20.2@sha256:a1aa98f206f066daf6023117401157cfcb78fd2acd45fc445154fea8f88c824a AS slim-base
 
 # --------------------------------------
 # full image
 # --------------------------------------
-FROM ghcr.io/renovatebot/base-image:1.20.1-full@sha256:47e8cd5501cb733c99e6365faaac266c0e955c989dc549bf398d7d4b23ef4969 AS full-base
+FROM ghcr.io/renovatebot/base-image:1.20.2-full@sha256:d6d7a93032c6e42dc81d7abbc0e31b9348ca0f65cfe9fb2c9efdbe3fa51e6cd2 AS full-base
 
 # --------------------------------------
 # final image