Update git submodules

* Update plugins/hooks from branch 'master'
  to 1bcd25599cd37a50c15d8ac9fe98785ce96337a0
  - Merge branch 'stable-2.15'
    
    * stable-2.15:
      Wrap account ID in quotes
    
    Change-Id: I7098840018a80db5572840ac75664309770b0687
    
  - Merge branch 'stable-2.14' into stable-2.15
    
    * stable-2.14:
      Wrap account ID in quotes
    
    Change-Id: I039658735bd1ef4e90c2a4c1be67a3a63c7f6fde
    
  - Wrap account ID in quotes
    
    Change-Id: I412e16d9b50cb077f55992780657e7e2e0854059
    
diff --git a/plugins/hooks b/plugins/hooks
index 337a1e8..1bcd255 160000
--- a/plugins/hooks
+++ b/plugins/hooks
@@ -1 +1 @@
-Subproject commit 337a1e8ebbecd7a96f3a6676980fb1c5c0385f56
+Subproject commit 1bcd25599cd37a50c15d8ac9fe98785ce96337a0