chore(deps-dev): update cypress to v12 (#8889)

This update required changing the configuration
and test directory structure. Some tests needed
to be amended as well to compensate for new
Cypress APIs.

test/e2e-cypress/e2e/features/dynamic-default-oauth.cy.js

@@ -0,0 +1,26 @@
+describe("dynamic default oauth2RedirectUrl", () => {
+  it("should compute an oauth2RedirectUrl based on the browser's location at runtime", () => {
+    cy.visit("/")
+      .window()
+      .then(win => win.ui.getConfigs())
+      .should("include", { oauth2RedirectUrl: "http://localhost:3230/oauth2-redirect.html" })
+  })
+  it("should compute an oauth2RedirectUrl based on the browser's location at runtime, including the path", () => {
+    cy.visit("/pages/5085/")
+      .window()
+      .then(win => win.ui.getConfigs())
+      .should("include", { oauth2RedirectUrl: "http://localhost:3230/pages/5085/oauth2-redirect.html" })
+  })
+  it("should compute an oauth2RedirectUrl based on the browser's location at runtime, including the path, without confusing the file name for a folder name", () => {
+    cy.visit("/pages/5085/index.html")
+      .window()
+      .then(win => win.ui.getConfigs())
+      .should("include", { oauth2RedirectUrl: "http://localhost:3230/pages/5085/oauth2-redirect.html" })
+  })
+  it("should compute an oauth2RedirectUrl based on the browser's location at runtime, including the path, even it does not end with a slash", () => {
+    cy.visit("/pages/5085")
+      .window()
+      .then(win => win.ui.getConfigs())
+      .should("include", { oauth2RedirectUrl: "http://localhost:3230/pages/5085/oauth2-redirect.html" })
+  })
+})