archwiki: fix missing semicolon

Despite multiple people reviewing the change this was not spotted 



Signed-off-by: Christian Heusel <christian@heusel.eu>

roles/archwiki/templates/LocalSettings.php.j2

@@ -191,7 +191,7 @@ $wgFileExtensions[] = 'svg';
 $wgSVGNativeRendering = true;
 
 ## Allow uploading WOFF2 fonts
-$wgFileExtensions[] = 'woff2'
+$wgFileExtensions[] = 'woff2';
 
 
 ##