CLD-7074 Implement full E2E tests on Github Actions (#26093)

* Move license setting from env var to mmctl upload
* Extract common E2E steps
* Add E2E fulltests
* Fix plugin_startup_fail_spec.js, timeout runners, fix local dashboard run
* Implement reporting script and job
* Bump artifact related actions
* Fix E2E variable generator script
* Skip reporting steps if not required
* Get rid of deprecation warnings
* Fix inbucket hostname parameter
* Support arbitrary refs in test template
* Fix cycle BRANCH var for non-PR commits
---------

Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/cypress/tests/integration/channels/plugins/plugin_startup_fail_spec.js

@@ -33,8 +33,8 @@ describe('If plugins fail to start, they can be disabled', () => {
 
     it('MM-T2391 If plugins fail to start, they can be disabled', () => {
         const mimeType = 'application/gzip';
-        cy.fixture(gitlabPlugin.filename, 'binary').
-            then(Cypress.Blob.binaryStringToBlob).
+        cy.fixture(gitlabPlugin.filename, null).
+            then(Cypress.Blob.arrayBufferToBlob).
             then((fileContent) => {
                 cy.get('input[type=file]').attachFile({fileContent, fileName: gitlabPlugin.filename, mimeType});
             });

e2e-tests/cypress/utils/report.js

@@ -246,7 +246,7 @@ function generateTitle() {
 
     let dockerImageLink = '';
     if (MM_DOCKER_IMAGE && MM_DOCKER_TAG) {
-        dockerImageLink = ` with [${MM_DOCKER_IMAGE}:${MM_DOCKER_TAG}](https://hub.docker.com/r/mattermost/${MM_DOCKER_IMAGE}/tags?name=${MM_DOCKER_TAG})`;
+        dockerImageLink = ` with [${MM_DOCKER_IMAGE}:${MM_DOCKER_TAG}](https://hub.docker.com/r/mattermostdevelopment/${MM_DOCKER_IMAGE}/tags?name=${MM_DOCKER_TAG})`;
     }
 
     let releaseDate = '';