Bump ubi9/ubi in /test-partner in the prod-dependencies group (#618)

Bumps the prod-dependencies group in /test-partner with 1 update: ubi9/ubi.


Updates `ubi9/ubi` from 9.6 to 9.7

---
updated-dependencies:
- dependency-name: ubi9/ubi
  dependency-version: '9.7'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

test-partner/Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi9/ubi:9.6
+FROM registry.access.redhat.com/ubi9/ubi:9.7
 ARG USERNAME=tnf-user
 ARG USER_UID=1000
 ARG USER_GID=$USER_UID

test-partner/Dockerfile.debug-partner

@@ -19,7 +19,7 @@ RUN \
 	git checkout v4.9.5 \
 	&& make
 
-FROM registry.access.redhat.com/ubi9/ubi:9.6
+FROM registry.access.redhat.com/ubi9/ubi:9.7
 # hadolint ignore=DL3041
 RUN \
 	dnf update --assumeyes --disableplugin=subscription-manager \