feat(web): use REST API endpoint to update step

packages/web/src/hooks/useUpdateStep.js

@@ -0,0 +1,28 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+
+import api from 'helpers/api';
+
+export default function useUpdateStep() {
+  const queryClient = useQueryClient();
+
+  const query = useMutation({
+    mutationFn: async ({ id, appKey, key, connectionId, parameters }) => {
+      const { data } = await api.patch(`/v1/steps/${id}`, {
+        appKey,
+        key,
+        connectionId,
+        parameters,
+      });
+
+      return data;
+    },
+
+    onSuccess: () => {
+      queryClient.invalidateQueries({
+        queryKey: ['flows'],
+      });
+    },
+  });
+
+  return query;
+}