chore: fix stake-pool-provider routing

Author: gytis-ivaskevicius

nix/cardano-services/deployments/backend-ingress.yaml

@@ -44,6 +44,13 @@ spec:
                   name: http
             path: /v1.0.0/stake-pool
             pathType: Prefix
+          - backend:
+              service:
+                name: dev-preview-cardanojs-stake-pool-provider
+                port:
+                  name: http
+            path: /v1.1.0/stake-pool
+            pathType: Prefix
           - backend:
               service:
                 name: dev-preview-cardanojs-handle-provider