Keep redemption working on Jellyfin 10.11.9 and later (#20)

Jellyfin 10.11.9 changed IUserManager.ChangePassword to take the user id
instead of the User. A call compiled against either signature throws
MissingMethodException on the other, so look up whichever one the server
has and call it through a delegate. Bumps to 1.0.5.0.

README.md

@@ -181,7 +181,7 @@ it in `token-secret.key`.
 
 ## Compatibility
 
-Jellyfin **10.11** (`targetAbi 10.11.0.0`), .NET 9. Tested on 10.11.8. The web-client injection
+Jellyfin **10.11** (`targetAbi 10.11.0.0`), .NET 9. Tested on 10.11.8 and 10.11.11. The web-client injection
 targets the shipped client, in English and in French.
 
 ## Workflow