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>

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

e2e-tests/cypress/cypress.config.ts

@@ -5,13 +5,15 @@ import {defineConfig} from 'cypress';
 
 export default defineConfig({
     chromeWebSecurity: false,
-    defaultCommandTimeout: 20000,
+    defaultCommandTimeout: 30000,
     downloadsFolder: 'tests/downloads',
     fixturesFolder: 'tests/fixtures',
     numTestsKeptInMemory: 0,
     screenshotsFolder: 'tests/screenshots',
     taskTimeout: 20000,
-    video: false,
+    video: true,
+    videoCompression: true,
+    videosFolder: 'tests/videos',
     viewportWidth: 1300,
     env: {
         adminEmail: 'sysadmin@sample.mattermost.com',