change barrierefreiheit url in e2e

alfa-client/apps/alfa-e2e/src/e2e/main-tests/accessibility/vorgang-list.cy.ts

@@ -43,7 +43,7 @@ describe('VorgangList Page', () => {
   const navigation: NavigationE2EComponent = mainPage.getNavigation();
 
   const accTooltip: string = 'Barrierefreiheit';
-  const accLink: string = 'http://bam.de';
+  const accLink: string = 'https://static.dev.by.ozg-cloud.de/barrierefreiheit';
 
   before(() => {
     initUsermanagerUsers();