Announce Anthony as core developer, tweak release date.

IanLee1521 · IanLee1521 · commit 203041bb29f0 · 2020-05-11T12:20:15.000-07:00
diff --git a/CHANGES.txt b/CHANGES.txt
@@ -1,9 +1,13 @@
 Changelog
 =========
 
-2.6.0 (2020-05-08)
+2.6.0 (2020-05-11)
 ------------------
 
+Announcements:
+
+* Anthony Sottile (@asottile) joined the team as a core developer. :tada:
+
 Changes:
 
 * E306: fix detection inside ``async def``.  PR #929.
