Improve AppCenter colors

Author: Peter Uithoven

data/com.github.peteruithoven.resizer.appdata.xml.in

@@ -180,7 +180,7 @@
   <url type="help">https://github.com/peteruithoven/resizer/issues</url>
   <update_contact>[email protected]</update_contact>
   <custom>
-    <value key="x-appcenter-color-primary">#60caee</value>
+    <value key="x-appcenter-color-primary">#007CBF</value>
     <value key="x-appcenter-color-primary-text">#ffffff</value>
   </custom>
   <content_rating type="oars-1.1">