Merge pull request #12043 from jellyfin/pr-parental-au-1

Fix the Australian PG rating

Emby.Server.Implementations/Localization/Ratings/au.csv

@@ -1,11 +1,11 @@
 Exempt,0
 G,0
 7+,7
+PG,15
 M,15
 MA,15
 MA15+,15
 MA 15+,15
-PG,16
 16+,16
 R,18
 R18+,18