Update to jx V3.X #3713
Description
many pages and documents pointing to JX v.2 and should be updated to v.3
example:
https://jenkins-x.io/about/concepts/version-stream/
{{ message }}
many pages and documents pointing to JX v.2 and should be updated to v.3
example:
https://jenkins-x.io/about/concepts/version-stream/