relnotes: update AS OF date

diff --git a/doc/src/sgml/release-15.sgml b/doc/src/sgml/release-15.sgml
index 8a26fcff11953a2d419eabc9685182f3094bd6d8..a840f20cca77ffe6f5f35114e9a5c81399483758 100644 (file)
--- a/doc/src/sgml/release-15.sgml
+++ b/doc/src/sgml/release-15.sgml
@@ -3,7 +3,7 @@
 
   
    Release date:
-   AS OF 2022-05-09
+   AS OF 2022-06-11