* Refactor GitHub Actions CI to a single workflow
* Handle case where "ct lint" fails because of no chart changes
* Re-order scenarios
* Remove excessive default GC logging
* Bump cert-manager version to v1.12.2
* Use compatible cert-manager version
* Install debugging tools (k9s) for ssh access
* Only apply for interactive shells
* Fix JWT symmetric test
* Fix part that was missing from #356
* Install k9s on the fly when k9s is used
- set KUBECONFIG on the fly for kubectl too
* Upgrade to Cert Manager 1.10.0
* Fail fast when installing cert manager
* Upgrade to 1.7.3
Here is the relevant documentation for k8s compatibility:
https://cert-manager.io/docs/installation/supported-releases/
### Motivation
The current version is out of date.
### Modifications
* Upgrade from 1.5.4 to 1.7.3
### Verifying this change
Once #306 is merged, the test suite will verify this PR.
