Update registry.access.redhat.com/ubi8/ubi-minimal Docker digest to b2a1bec (project-codeflare#445)

Signed-off-by: konflux-internal-p02 <170854209+konflux-internal-p02[bot]@users.noreply.github.com>
Co-authored-by: konflux-internal-p02[bot] <170854209+konflux-internal-p02[bot]@users.noreply.github.com>

Author: konflux-internal-p02[bot]

Dockerfile.konflux

@@ -44,7 +44,7 @@ USER root
 
 RUN CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -tags strictfipsruntime -a -o manager main.go
 
-FROM registry.access.redhat.com/ubi8/ubi-minimal@sha256:33161cf5ec11ea13bfe60cad64f56a3aa4d893852e8ec44b2fd2a6b40cc38539
+FROM registry.access.redhat.com/ubi8/ubi-minimal@sha256:b2a1bec3dfbc7a14a1d84d98934dfe8fdde6eb822a211286601cf109cbccb075
 WORKDIR /
 COPY --from=builder /workspace/manager .