[XWiki] Add postgres support with additional tags + update stable to 9.1.2

library/xwiki

@@ -1,10 +1,18 @@
 Maintainers: Vincent Massol <[email protected]> (@vmassol)
 GitRepo: https://github.com/xwiki-contrib/docker-xwiki.git
 
-Tags: 8, 8.4, 8.4.4, 8-mysql-tomcat, mysql-tomcat, lts-mysql-tomcat, lts, latest
-GitCommit: e1fa9996f7604f675307d4aa00c3c509000708b8
+Tags: 8, 8.4, 8.4.4, 8-mysql-tomcat, mysql-tomcat, lts-mysql-tomcat, lts-mysql, lts, latest
+GitCommit: 478f413940c46b325ad8d2b99e430273966b3981
 Directory: 8/mysql-tomcat
 
-Tags: 9, 9.0, 9-mysql-tomcat, stable-mysql-tomcat, stable
-GitCommit: e1fa9996f7604f675307d4aa00c3c509000708b8
+Tags: 9, 9.0, 9-mysql-tomcat, stable-mysql-tomcat, stable-mysql, stable
+GitCommit: 478f413940c46b325ad8d2b99e430273966b3981
 Directory: 9/mysql-tomcat
+
+Tags: 8-postgres-tomcat, 8.4-postgres-tomcat, 8.4.4-postgres-tomcat, postgres-tomcat, lts-postgres-tomcat, lts-postgres
+GitCommit: 478f413940c46b325ad8d2b99e430273966b3981
+Directory: 8/postgres-tomcat
+
+Tags: 9-postgres-tomcat, 9.1-postgres-tomcat, stable-postgres-tomcat, stable-postgres
+GitCommit: 478f413940c46b325ad8d2b99e430273966b3981
+Directory: 9/postgres-tomcat