Update registry.access.redhat.com/ubi9/ubi-minimal Docker digest to 8d905a9 (#426)

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

Author: red-hat-konflux[bot]

Dockerfile.cosign.rh

@@ -26,7 +26,7 @@ RUN git config --global --add safe.directory /cosign && \
     git update-index --no-assume-unchanged Dockerfile.cosign.rh
 
 # Install Cosign
-FROM registry.access.redhat.com/ubi9/ubi-minimal@sha256:e6b39b0a2cd88c0d904552eee0dca461bc74fe86fda3648ca4f8150913c79d0f
+FROM registry.access.redhat.com/ubi9/ubi-minimal@sha256:8d905a93f1392d4a8f7fb906bd49bf540290674b28d82de3536bb4d0898bf9d7
 
 LABEL description="Cosign is a container signing tool that leverages simple, secure, and auditable signatures based on simple primitives and best practices."
 LABEL io.k8s.description="Cosign is a container signing tool that leverages simple, secure, and auditable signatures based on simple primitives and best practices."