update screenshot links

Author: PhilippKosarev

data/io.github.philippkosarev.bmi.metainfo.xml.in

@@ -48,19 +48,19 @@
 
   <screenshots>
     <screenshot type="default">
-      <image>https://raw.githubusercontent.com/PhilippKosarev/bmi/46def669d2a4d3c193e621d436af90b2e74a65a5/screenshots/simple-dark.png</image>
+      <image>https://raw.githubusercontent.com/PhilippKosarev/bmi/8a7b6b8c0390adf42d5919c3c324d57ef386aa38/screenshots/simple-dark.png</image>
       <caption>BMI Basic Mode Dark Theme</caption>
     </screenshot>
     <screenshot>
-      <image>https://raw.githubusercontent.com/PhilippKosarev/bmi/46def669d2a4d3c193e621d436af90b2e74a65a5/screenshots/simple-light.png</image>
+      <image>https://raw.githubusercontent.com/PhilippKosarev/bmi/8a7b6b8c0390adf42d5919c3c324d57ef386aa38/screenshots/simple-light.png</image>
       <caption>BMI Basic Mode Light Theme</caption>
     </screenshot>
     <screenshot type="default">
-      <image>https://raw.githubusercontent.com/PhilippKosarev/bmi/46def669d2a4d3c193e621d436af90b2e74a65a5/screenshots/advanced-dark.png</image>
+      <image>https://raw.githubusercontent.com/PhilippKosarev/bmi/8a7b6b8c0390adf42d5919c3c324d57ef386aa38/screenshots/advanced-dark.png</image>
       <caption>BMI Advanced Mode Dark Theme</caption>
     </screenshot>
     <screenshot>
-      <image>https://raw.githubusercontent.com/PhilippKosarev/bmi/46def669d2a4d3c193e621d436af90b2e74a65a5/screenshots/advanced-light.png</image>
+      <image>https://raw.githubusercontent.com/PhilippKosarev/bmi/8a7b6b8c0390adf42d5919c3c324d57ef386aa38/screenshots/advanced-light.png</image>
       <caption>BMI Advanced Mode Light Theme</caption>
     </screenshot>
   </screenshots>