chore(deps): update quay.io/redhat-appstudio/build-trusted-artifacts:…

…latest docker digest to 4d748b8

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

.tekton/cosign-unit-test.yaml

@@ -24,7 +24,7 @@ spec:
       # This is needed because the different steps in this Task run with different user IDs.
       runAsUser: 0
   steps:
-    - image: quay.io/redhat-appstudio/build-trusted-artifacts:latest@sha256:4e39fb97f4444c2946944482df47b39c5bbc195c54c6560b0647635f553ab23d
+    - image: quay.io/redhat-appstudio/build-trusted-artifacts:latest@sha256:4d748b87f06968bbfabe5e57f45c6fc64e64b0d740136ab482fc2ac04c262b18
       name: use-trusted-artifact
       args:
         - use