Subtract one (the flow itself) from the Flow Dependencies count
### Explain the bug

the subflow here has 2 dependencies, not 3:

![image](https://github.com/kestra-io/kestra/assets/86264395/ecf5a01a-3d6c-4bb6-a706-47a9390a6eb2)

we shouldn't count the flow itself (the child flow)

### Environment Information

- Kestra Version: 0.13.0
ui/src/components/flows/FlowRoot.vue
ui/src/components/flows/FlowRoot.vue
diff --git a/ui/src/components/flows/FlowRoot.vue b/ui/src/components/flows/FlowRoot.vue
index 1091f9af1d..d92249e9ae 100644
--- a/ui/src/components/flows/FlowRoot.vue
+++ b/ui/src/components/flows/FlowRoot.vue
@@ -197,7 +197,7 @@
                         name: "dependencies",
                         component: FlowDependencies,
                         title: this.$t("dependencies"),
-                        count: this.depedenciesCount
+                        count: this.depedenciesCount===0?0:this.depedenciesCount-1
                     })
                 }
                 return tabs;
