[gnome-builder] appdata: fix release date

[Christian Hergert <chergert src gnome org>]

commit 2cdfba5a031fb372f2fe92bd8d35f045a1e6fc37
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jan 14 15:40:31 2021 -0800

    appdata: fix release date

 data/appdata/org.gnome.Builder.appdata.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/appdata/org.gnome.Builder.appdata.xml.in b/data/appdata/org.gnome.Builder.appdata.xml.in
index e63343652..d3ac5267c 100644
--- a/data/appdata/org.gnome.Builder.appdata.xml.in
+++ b/data/appdata/org.gnome.Builder.appdata.xml.in
@@ -86,7 +86,7 @@
   <translation type="gettext">gnome-builder</translation>
 
   <releases>
-    <release version="3.39.90" date="2020-01-14">
+    <release version="3.39.90" date="2021-01-14">
       <p>
         Builder 40.alpha1 is out and available for testing.
         Numerous improvements were made this cycle to underlying components.