Update stackrox-build.Dockerfile

Author: janisz

images/stackrox-build.Dockerfile

@@ -11,7 +11,7 @@ RUN dnf update -y && \
         dnf-plugins-core \
         wget \
         && \
-    dnf config-manager --set-enabled ubi-8-codeready-builder-rpms && \
+    dnf config-manager --set-enabled ubi-9-codeready-builder-rpms && \
     dnf update -y && \
     wget --quiet -O - https://rpm.nodesource.com/setup_lts.x | bash - && \
     wget --quiet -O - https://dl.yarnpkg.com/rpm/yarn.repo | tee /etc/yum.repos.d/yarn.repo && \