chore(deps): update dependency cypress to v10 (#2015)

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/2015
Co-authored-by: renovate <renovatebot@kolaente.de>
Co-committed-by: renovate <renovatebot@kolaente.de>

cypress/e2e/user/registration.spec.js

@@ -0,0 +1,48 @@
+// This test assumes no mailer is set up and all users are activated immediately.
+
+import {UserFactory} from '../../factories/user'
+
+context('Registration', () => {
+	beforeEach(() => {
+		UserFactory.create(1, {
+			username: 'test',
+		})
+		cy.visit('/', {
+			onBeforeLoad(win) {
+				win.localStorage.removeItem('token')
+			},
+		})
+	})
+
+	it('Should work without issues', () => {
+		const fixture = {
+			username: 'testuser',
+			password: '123456',
+			email: 'testuser@example.com',
+		}
+
+		cy.visit('/register')
+		cy.get('#username').type(fixture.username)
+		cy.get('#email').type(fixture.email)
+		cy.get('#password').type(fixture.password)
+		cy.get('#register-submit').click()
+		cy.url().should('include', '/')
+		cy.clock(1625656161057) // 13:00
+		cy.get('h2').should('contain', `Hi ${fixture.username}!`)
+	})
+
+	it.only('Should fail', () => {
+		const fixture = {
+			username: 'test',
+			password: '123456',
+			email: 'testuser@example.com',
+		}
+
+		cy.visit('/register')
+		cy.get('#username').type(fixture.username)
+		cy.get('#email').type(fixture.email)
+		cy.get('#password').type(fixture.password)
+		cy.get('#register-submit').click()
+		cy.get('div.message.danger').contains('A user with this username already exists.')
+	})
+})