chore(deps): update docker.io/renovate/renovate docker tag to v43.89.9 (#2979)

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

Author: renovate[bot]

Dockerfile

@@ -21,7 +21,7 @@ RUN set -eux; \
     go install -ldflags '-s -w' "github.com/utopia-planitia/chart-prettier@${CHART_PRETTIER_VERSION:?}"
 
 # renovate
-FROM docker.io/renovate/renovate:43.89.6-full@sha256:23dc48c18a6228a96cad6eceacdede1a9a9c93840fafe60507a788c116260132
+FROM docker.io/renovate/renovate:43.89.9-full@sha256:3b522713b539eb4bfcad96bceeb5bea8a05f15965856424caa9fb5dede99dcb5
 SHELL [ "/bin/bash", "-o", "pipefail", "-c" ]
 
 # assert that the IDs of the base image's user did not change