K8SPG-1000 Add extensions major upgrade tests #5910

Job	Run time
runner / alex	35s
e2e-tests release_versions image availability	14s
runner / suggester / golangci-lint	2m 37s
runner / manifests	1m 40s
runner / suggester / gofmt	7s
runner / suggester / shfmt	16s
runner / shellcheck	8s
runner / misspell	21s
runner / suggester / goimports-reviser	22s
	6m 20s

Provide feedback