udpate mysql-sidecar dockerfile
ARG TOOLS_IMAGE
FROM registry.access.redhat.com/ubi8/ubi:8.1 as builder
+
+RUN dnf clean all && rm -rf /var/cache/dnf
+RUN dnf -y upgrade
RUN dnf install -y https://dev.mysql.com/get/mysql80-community-release-el8-1.noarch.rpm
# GPG keys for MySQL have expired. Importing the new key below.
