test: fix failing e2e navigation test

cypress/integration/app.spec.ts

@@ -22,7 +22,7 @@ describe('App', () => {
   it('should have a proper working navigation', () => {
     cy.visit('/');
 
-    cy.contains('Settings').click();
+    cy.contains('Einstellungen').click();
     cy.get('ion-title').contains('Einstellungen');
   });
 });