[gnome-power-manager] trivial: Fix up appdata release date

[Richard Hughes <rhughes src gnome org>]

commit 8e7dcfdf172d3860f009f90f74417aadeb292b06
Author: Richard Hughes <richard hughsie com>
Date:   Fri Sep 16 14:53:27 2022 +0100

    trivial: Fix up appdata release date

 data/appdata/org.gnome.PowerStats.appdata.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/appdata/org.gnome.PowerStats.appdata.xml.in 
b/data/appdata/org.gnome.PowerStats.appdata.xml.in
index 93c29e73..7d5155f4 100644
--- a/data/appdata/org.gnome.PowerStats.appdata.xml.in
+++ b/data/appdata/org.gnome.PowerStats.appdata.xml.in
@@ -29,7 +29,7 @@
    Validate with `appstream-util validate *.appdata.xml`
   -->
   <releases>
-    <release date="2022" version="43.0">
+    <release date="2022-09-16" version="43.0">
       <description>
         <p>
           This is the first stable release for GNOME 3.32 which updates several