Update git submodules

* Update plugins/webhooks from branch 'master'
  to e26745604c1f4301cf5d130d4bcc9da8463e0b1a
  - Bazel: Use test dependencies directly in junit_tests rule
    
    Also remove local tag, because the tests can also be executed
    sandboxed.
    
    Change-Id: I38a10423b6ddf4cd297951db86a87ddc819a642f
    
diff --git a/plugins/webhooks b/plugins/webhooks
index f860a0c..e267456 160000
--- a/plugins/webhooks
+++ b/plugins/webhooks
@@ -1 +1 @@
-Subproject commit f860a0cf6931164a6e5c2b333eaa0004ea14acec
+Subproject commit e26745604c1f4301cf5d130d4bcc9da8463e0b1a