Bump ubi9/ubi-minimal from 9.5 to 9.6 in /images/operator-sdk (#6945)

Bumps ubi9/ubi-minimal from 9.5 to 9.6.

---
updated-dependencies:
- dependency-name: ubi9/ubi-minimal
  dependency-version: '9.6'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

images/operator-sdk/Dockerfile

@@ -17,7 +17,7 @@ COPY . .
 RUN GOOS=linux GOARCH=$TARGETARCH make build/operator-sdk
 
 # Final image.
-FROM registry.access.redhat.com/ubi9/ubi-minimal:9.5
+FROM registry.access.redhat.com/ubi9/ubi-minimal:9.6
 
 # TODO: Figure out how to take the go binary from the builder image so this doesn't have to be maintained.
 ENV GO_VERSION=1.23.4