chore(deps): update quay.io/centos/centos:stream9 docker digest to 8f23193

Author: renovate-rancher[bot]

Dockerfile

@@ -25,7 +25,7 @@ RUN yum install -y \
         rpm-build \
         rpm-sign
 
-FROM quay.io/centos/centos:stream9@sha256:e15ceb6e8744ccb658c6d8cb81cf2853398ca3a611f41f0b8e2fce655361190d AS centos9
+FROM quay.io/centos/centos:stream9@sha256:8f23193019c25232ea9a657fcaf0cca2570e1bdb3be54d7bd56fbb05f3eeaa02 AS centos9
 RUN yum install -y \
         createrepo_c \
         epel-release \