chore(ci): Update registry.access.redhat.com/ubi9/ubi-minimal:9.6 Docker digest to 34880b6 (#3360)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| registry.access.redhat.com/ubi9/ubi-minimal | final | digest |
`7c5495d` -> `34880b6` |

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Dockerfile.kafka

@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi9/ubi-minimal:9.6@sha256:7c5495d5fad59aaee12abc3cbbd2b283818ee1e814b00dbc7f25bf2d14fa4f0c
+FROM registry.access.redhat.com/ubi9/ubi-minimal:9.6@sha256:34880b64c07f28f64d95737f82f891516de9a3b43583f39970f7bf8e4cfa48b7
 
 USER root