Update network-observability-operator-ystream to 6721be5 (#2201)

Image created from 'https://github.com/netobserv/network-observability-operator?rev=844087e924faa2da889728b4c2c84f6a175104a4'

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]

hack/nudging/container_digest.sh

@@ -1,6 +1,6 @@
 # Do not remove comment lines, they are there to reduce conflicts
 # Operator
-export OPERATOR_IMAGE_PULLSPEC='registry.redhat.io/network-observability/network-observability-rhel9-operator@sha256:e9263a78f9f81240505559e41b59cef1e3efdbd1a8d4fc44e7cdbb07f73d9a51'
+export OPERATOR_IMAGE_PULLSPEC='registry.redhat.io/network-observability/network-observability-rhel9-operator@sha256:6721be5309def67fb41836a4492c86648136b60aa38934dd43b7f4dc211a5a38'
 # eBPF agent
 export EBPF_IMAGE_PULLSPEC='registry.redhat.io/network-observability/network-observability-ebpf-agent-rhel9@sha256:2475ac0482f27f598324ccbdbf3099f93820bed25a05148b9d9fcd4c1369577c'
 # Flowlogs-pipeline