[RN]: Updated release date

Author: dmpgpro

doc/src/sgml/release-proee-10.sgml

@@ -3,7 +3,7 @@
 <title>Postgres Pro Enterprise 10.4.1</title>
   <formalpara>
     <title>Release date:</title>
-    <para>2018-05-28</para>
+    <para>2018-06-01</para>
   </formalpara>
   <sect2>
     <title>Overview</title>