[meld/pages] Update for 3.21.3 release

[Kai Willadsen <kaiw src gnome org>]

commit 244d12231a91f03331345e6e57355935f62473af
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Aug 14 09:27:32 2022 +1000

    Update for 3.21.3 release

 _data/releases.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/_data/releases.yml b/_data/releases.yml
index 691440da..df657aec 100644
--- a/_data/releases.yml
+++ b/_data/releases.yml
@@ -7,8 +7,8 @@
     - linux
     - windows
 
-- version: 3.21.2
-  date: 2022-06-18
+- version: 3.21.3
+  date: 2022-08-14
   type: development
   description: >
      Our development releases are usually fairly reliable, but you'll probably run in to a few issues. 
Please tell us!