[meld/pages] Update for 3.20.4 release

[Kai Willadsen <kaiw src gnome org>]

commit 0b272812b38818382bb93ca1fe95e5048d3f1f40
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Fri Aug 13 17:01:11 2021 +1000

    Update for 3.20.4 release

 _data/releases.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/_data/releases.yml b/_data/releases.yml
index b73c9ffc..0fa66b1a 100644
--- a/_data/releases.yml
+++ b/_data/releases.yml
@@ -1,5 +1,5 @@
-- version: 3.20.3
-  date: 2021-02-13
+- version: 3.20.4
+  date: 2021-08-13
   type: stable
   description: >
     The most recent stable release is the best option for most users. We keep changes to these releases to a 
minimum.