Update git submodules

* Update plugins/hooks from branch 'stable-2.15'
  to 5d5373f1ac3ebbe420e30fa190f196a12cd17ea2
  - 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
    

plugins/hooks

diff --git a/plugins/hooks b/plugins/hooks
index 9937b96..5d5373f 160000
--- a/plugins/hooks
+++ b/plugins/hooks
@@ -1 +1 @@
-Subproject commit 9937b96271441f296a6557f98ed787960367b61f
+Subproject commit 5d5373f1ac3ebbe420e30fa190f196a12cd17ea2