Add automatic injection to release-notes (#612)
Add automatic injection to release-notes (#612)

* Add automatic injection to release-notes

* fix url ending and reword a bit

geeknoid/istio.github.io,geeknoid/istio.github.io,istio/istio.io,istio/istio.io,ZackButcher/istio.github.io,jasminejaksic/istio.github.io,istio/istio.io,linsun/istio.github.io,ZackButcher/istio.github.io,istio/istio.io,istio/istio.io,linsun/istio.github.io,istio/istio.io,jasminejaksic/istio.github.io,istio/istio.io,geeknoid/istio.github.io,geeknoid/istio.github.io,linsun/istio.github.io,geeknoid/istio.github.io,linsun/istio.github.io,linsun/istio.github.io,jasminejaksic/istio.github.io,jasminejaksic/istio.github.io,ZackButcher/istio.github.io,ZackButcher/istio.github.io