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

e2e-tests/.ci/server.prepare.sh

@@ -3,6 +3,13 @@ set -e -u -o pipefail
 cd "$(dirname "$0")"
 . .e2erc
 
+if [ -n "${MM_LICENSE:-}" ]; then
+  # We prefer uploading the license here, instead of setting the env var for the server
+  # This is to retain the flexibility of being able to remove it programmatically, if the tests require it
+  mme2e_log "Uploading license to server"
+  ${MME2E_DC_SERVER} exec -T -- server mmctl --local license upload-string "$MM_LICENSE"
+fi
+
 if [ "$TEST" = "cypress" ]; then
   mme2e_log "Prepare Cypress: install dependencies"
   ${MME2E_DC_SERVER} exec -T -u 0 -- cypress bash -c "id $MME2E_UID || useradd -u $MME2E_UID -m nodeci" # Works around the node image's assumption that the app files are owned by user 1000