fix: test_images/Dockerfile.rpm_ubi to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RHEL9-EXPAT-7901211
- https://snyk.io/vuln/SNYK-RHEL9-LIBYAML-7269576
- https://snyk.io/vuln/SNYK-RHEL9-PYTHON3-7891046
- https://snyk.io/vuln/SNYK-RHEL9-PYTHON3LIBS-7891036
- https://snyk.io/vuln/SNYK-RHEL9-TAR-2875976

test_images/Dockerfile.rpm_ubi

@@ -1,4 +1,4 @@
-FROM redhat/ubi9:9.4-1214.1725849297
+FROM redhat/ubi9:9.4-1214.1726694543
 ENV REV=2
 RUN yum -y upgrade
 RUN yum --allowerasing -y install curl xz nc