chore(deps): update registry.access.redhat.com/ubi8/ubi-minimal docker tag to v8.9

| datasource | package                                     | from | to  |
| ---------- | ------------------------------------------- | ---- | --- |
| docker     | registry.access.redhat.com/ubi8/ubi-minimal | 8.7  | 8.9 |

Author: stackable-bot

docker/Dockerfile

@@ -1,7 +1,7 @@
 # Using inlined version of ubi8-rust-builder, ends at ## END OF ubi8-rust-builder
 # Each modification (apart from removing ONBUILD clauses) should be preceded by a ## PATCH comment explaining the change
 #FROM docker.stackable.tech/stackable/ubi8-rust-builder AS builder
-FROM registry.access.redhat.com/ubi8/ubi-minimal:8.7@sha256:3e1adcc31c6073d010b8043b070bd089d7bf37ee2c397c110211a6273453433f AS builder
+FROM registry.access.redhat.com/ubi8/ubi-minimal:8.9@sha256:e29fc4c507dd3f281d225a12da6bf4e6bb22d059a2e35cec1482a5db831f205b AS builder
 LABEL maintainer="Stackable GmbH"
 
 # https://github.com/hadolint/hadolint/wiki/DL4006