Merge pull request #3392 from Silverpeas/master

Update docker image Silverpeas to version 6.0-beta1

library/silverpeas

@@ -1,6 +1,6 @@
 Maintainers: Miguel Moquillon <[email protected]> (@mmoqui)
 GitRepo: https://github.com/Silverpeas/docker-silverpeas-prod.git
 
-Tags: 6.0-alpha3, latest
-GitCommit: 48e66a18fb4fa3933a1aafce48be75cc4b18a765
+Tags: 6.0-beta1, latest
+GitCommit: 03bd2800e83bf262d07b53f067758115fa6f05fc