* Use Pulsar 4.0.0 image, bump chart version to 3.7.0
* Bump kube-prometheus-stack to 65.x.x
* Remove testing with latest and test with previous LTS version
- run kube-prometheus-stack test with previous LTS version since
the older chart version doesn't support Pulsar 4.0.0 image
* Fix passing "--values" to helm command
* Move ci runner config to a script
* Attempt to fix pulsar-manager-cluster-initialize
* Added support for JWT secretref and key volume mount. Added admin user auto-creation.
* Removed variables accidentally re-added and comments no longer relevant
* Enabling pulsar manager test w/ manager-admin superuser for symmetric and asymmetric jwt tests
* Added verification of communication with broker to ci test-pulsar-manager
* Fixing error on line 115 of helm.sh
* More fixes
* Adding echo of envs and tenants
* Fixing LOGIN_JSESSIONID variable name
* Add upgrade test to CI
- install latest released chart version and then upgrade to the local chart version
* Add metallb for loadbalancer support so that "--wait" will work
* Improve script logging
* produce messages with old version of pulsar and consume with new version
* Add 10 second delay
* Remove duplication
* Improve logging
* Fix quotes
* Before trying produce-consume test, verify that the Admin API is available
* Add 2 more upgrade scenarios: TLS & PSP
### Motivation
The current tests only produce a message. This test adds a consumer for the produced message.
### Modifications
* Add new section to the test where we consume the produced message
