Update UBI string for new images (#4893)

build/Dockerfile

@@ -77,7 +77,7 @@ ADD --link --chown=101:0 https://raw.githubusercontent.com/nginxinc/k8s-common/m
 ADD --link --chown=101:0 https://raw.githubusercontent.com/nginxinc/k8s-common/main/files/nap-dos-debian-11.repo nap-dos-11.sources
 
 RUN --mount=from=busybox:musl,src=/bin/,dst=/bin/ printf "%s\n" "Acquire::https::pkgs.nginx.com::User-Agent k8s-ic-$IC_VERSION${BUILD_OS##debian-plus}-apt;" >> 90pkgs-nginx \
-	&& printf "%s\n" "user_agent=k8s-ic-$IC_VERSION${BUILD_OS##ubi-plus}-dnf" | tee -a nginx-plus-*.repo \
+	&& printf "%s\n" "user_agent=k8s-ic-$IC_VERSION${BUILD_OS##ubi*plus}-dnf" | tee -a nginx-plus-*.repo \
 	&& sed -i -e "s;%VERSION%;${NGINX_PLUS_VERSION};g" *.sources \
 	&& sed -i -e "y/0/1/" -e "1,8s;/centos;/${NGINX_PLUS_VERSION}/centos;" *.repo \
 	&& echo HTTP_USER_AGENT="k8s-ic-$IC_VERSION${BUILD_OS##alpine-plus}-apk" > user_agent