upgrade cypress version

cypress/e2e/embedded.cy.js

@@ -0,0 +1,11 @@
+describe('Embedded mode', () => {
+  it('shows data', () => {
+    const url = 'https://pewu.github.io/topola-embedded/#' + Cypress.config('baseUrl');
+    cy.visit(url);
+    cy.get('iframe')
+    .its('0.contentDocument.body').should('not.be.empty')
+      .then(cy.wrap)
+      .find('#root')
+      .contains('Bonifacy');
+  });
+});