Update git submodules

* Update plugins/delete-project from branch 'stable-3.2'
  to 76f5b2573343d1b565477678a58641697003248a
  - Fix event handling on error
    
    The delete-project UI component did not use the legacy mixin anymore,
    but still used the this.fire() method provided by the mixin.
    
    Bug: Issue 13402
    Change-Id: Iac7779d2206e9ac8aa14ba4400c4c46eb04aba50
    
diff --git a/plugins/delete-project b/plugins/delete-project
index e345e6e..76f5b25 160000
--- a/plugins/delete-project
+++ b/plugins/delete-project
@@ -1 +1 @@
-Subproject commit e345e6e79900a72981e4ad19d37c7fbdcae4818b
+Subproject commit 76f5b2573343d1b565477678a58641697003248a