Merge pull request #7994 from EvgeniyPatlan/master

[percona] update percona-server-56 version

library/percona

@@ -16,8 +16,8 @@ GitCommit: 66a99d41ad3c8b25a7529dc3ea6d767ef0d525ba
 Directory: percona-server.57
 File: Dockerfile-dockerhub
 
-Tags: 5.6.47-centos, 5.6-centos, 5.6.47, 5.6, ps-5.6.47, ps-5.6
-GitCommit: fc7952f19d7e3e55477a9baee2f6d4d1092431f6
+Tags: 5.6.48-centos, 5.6-centos, 5.6.48, 5.6, ps-5.6.47, ps-5.6
+GitCommit: 97f0dd85b9f99da75ea1b74727634ce15c1b5ea0
 Directory: percona-server.56
 File: Dockerfile-dockerhub