contributor-key.yml, 5.13.13.md - Fix typo in credit

I saw a typo and asked Patrick for preferred text.

contributor-key.yml

@@ -1054,7 +1054,7 @@
 
 - github      : pfigel
   name        : Patrick Figel
-  organization: GreenPeace Central and Eastern Europe
+  organization: Greenpeace CEE
 
 - github      : philmck
   name        : Phil McKerracher

release-notes/5.13.3.md

@@ -40,7 +40,7 @@ Released May 13, 2019
 
 This release was developed by the following authors and reviewers:
 
-Wikimedia Foundation - Eileen McNaughton; Pradeep Nayak; GreenPeace Central and Eastern Europe - Patrick Figel; 
+Wikimedia Foundation - Eileen McNaughton; Pradeep Nayak; Greenpeace CEE - Patrick Figel;
 Dave D; CiviCRM - Coleman Watts; Australian Greens - Seamus Lee
 
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