Update release-notes.md (#6468)
Update release-notes.md (#6468)

* Update release-notes.md

Add instructions in case dtr-scanning store gets in a restart loop
This is due to a major postgres version upgrade which was required with the upgrade to alpine 3.7

* Update release-notes.md

londoncalling/docker.github.io,anweiss/docker.github.io,johnstep/docker.github.io,docker/docker.github.io,JimGalasyn/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,johnstep/docker.github.io,docker/docker.github.io,johnstep/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,londoncalling/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,JimGalasyn/docker.github.io,anweiss/docker.github.io,JimGalasyn/docker.github.io,JimGalasyn/docker.github.io,londoncalling/docker.github.io,johnstep/docker.github.io,johnstep/docker.github.io,JimGalasyn/docker.github.io,docker/docker.github.io,anweiss/docker.github.io,londoncalling/docker.github.io,anweiss/docker.github.io,londoncalling/docker.github.io,anweiss/docker.github.io