Bump ubi8/ubi from 8.7 to 8.8 in /images/ansible-operator

Bumps ubi8/ubi from 8.7 to 8.8.

---
updated-dependencies:
- dependency-name: ubi8/ubi
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

images/ansible-operator/base.Dockerfile

@@ -2,7 +2,7 @@
 # It is built with dependencies that take a while to download, thus speeding
 # up ansible deploy jobs.
 
-FROM registry.access.redhat.com/ubi8/ubi:8.7
+FROM registry.access.redhat.com/ubi8/ubi:8.8
 ARG TARGETARCH
 
 # Label this image with the repo and commit that built it, for freshmaking purposes.