chore(deps): update registry.redhat.io/openshift4/ose-kube-rbac-proxy-rhel9:v4.20 docker digest to 890bcb4 (#15179)

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]

bundle/additional-images-patch.yaml

@@ -19,7 +19,7 @@ additionalImages:
   - name: RELATED_IMAGE_OSE_OAUTH_PROXY_IMAGE
     value: "registry.redhat.io/openshift4/ose-oauth-proxy-rhel9:v4.20@sha256:ea7466accc131798680f23c43ca1128e5683a8b21747447164124605acbef026"
   # - name: RELATED_IMAGE_OSE_KUBE_RBAC_PROXY_IMAGE
-  #   value: "registry.redhat.io/openshift4/ose-kube-rbac-proxy-rhel9:v4.20@sha256:883be225980cafa658d73b7d87ac99a39dce0fa8fb7754158ec28dc218bc903d"
+  #   value: "registry.redhat.io/openshift4/ose-kube-rbac-proxy-rhel9:v4.20@sha256:890bcb4e15a58b5fb9ee5641042ea42e78505f18f95d019e6d6582994151027e"
   - name: RELATED_IMAGE_OSE_ETCD_IMAGE
     value: "registry.redhat.io/openshift4/ose-etcd-rhel9:v4.20@sha256:6207d9d668589cda1dc06dda0152577d29592871f0eb9c824e7739a1d395f7c8"
   - name: RELATED_IMAGE_OSE_CLI_IMAGE