Update git submodules

* Update plugins/replication from branch 'stable-2.15'
  to 0fe68ab58cccfae23d113a22d3ce66296b7e9fae
  - Bazel: Reformat BUILD file with buildifier 0.17.2
    
    Change-Id: I8d48f0bcbdd33f5ff51fadc9cdd6a3aa623ec8c5
    
diff --git a/plugins/replication b/plugins/replication
index 2f5f49f..0fe68ab 160000
--- a/plugins/replication
+++ b/plugins/replication
@@ -1 +1 @@
-Subproject commit 2f5f49f0aae6c31e8cf58af3dbae07ca0f7dc59e
+Subproject commit 0fe68ab58cccfae23d113a22d3ce66296b7e9fae