CLD-7841 Optimize E2E testing costs (#27883)

* Utilize free runners for E2E tests, report back to PR on run completion
* Increase test stability on smaller instances
* Merge worker reports
* merge start+prepare steps
* upgrade keycloak
* increase test timeouts
* Add video recording to report artifacts

Co-authored-by: Saturnino Abril <5334504+saturninoabril@users.noreply.github.com>

---------

Co-authored-by: Saturnino Abril <5334504+saturninoabril@users.noreply.github.com>

e2e-tests/cypress/tests/integration/channels/enterprise/accessibility/accessibility_modals_dialogs_spec.js

@@ -142,7 +142,7 @@ describe('Verify Accessibility Support in Modals & Dialogs', () => {
             });
         }
 
-        // # Visit the test channel
+        // # Visit the test channel, and wait for the page to fully load
         cy.visit(`/${testTeam.name}/channels/${testChannel.name}`);
 
         // # Open Add Members Dialog
@@ -160,6 +160,7 @@ describe('Verify Accessibility Support in Modals & Dialogs', () => {
 
             // # Search for a text and then check up and down arrow
             cy.findByRole('textbox', {name: 'Search for people or groups'}).
+                wait(TIMEOUTS.HALF_SEC).
                 typeWithForce('u').
                 wait(TIMEOUTS.HALF_SEC).
                 typeWithForce('{downarrow}{downarrow}{downarrow}{uparrow}');