Update ghcr.io/nginx/nginx-gateway-fabric/operator Docker tag to v1.1.0 (#4494)

| datasource | package                                     | from  | to    |
| ---------- | ------------------------------------------- | ----- | ----- |
| docker     | ghcr.io/nginx/nginx-gateway-fabric/operator | 1.0.2 | 1.1.0 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

operators/config/manager/kustomization.yaml

@@ -5,4 +5,4 @@ kind: Kustomization
 images:
 - name: controller
   newName: ghcr.io/nginx/nginx-gateway-fabric/operator
-  newTag: 1.0.2
+  newTag: 1.1.0