Radarr: Year passed as string, needs to pass as integer

Describe the bug Traktarr throws an error when attempting to add a movie to Radarr

From exchange with ta264 on Discord

looks like it's passing a year as a string when it should be an integer
before radarr didn't care but now it does

To Reproduce Run movies task to add movies

Expected behavior Successfully add movies to Radarr

Logs

2021-02-08 15:39:05,896 - INFO       - Traktarr                            - movies                              - ADDING: 'HG Wells: War with the World (2006)' | Country: GB | Language: EN | Genre(s): Drama, Science-Fiction, Thriller 
2021-02-08 15:39:05,915 - ERROR      - media.pvr                           - _add_object                         - Failed to add 'HG Wells: War with the World [18986]' - status_code: 400, reason: BadRequest: Invalid request body. The JSON value could not be converted to System.Int32. Path: $.year | LineNumber: 0 | BytePositionInLine: 337.
2021-02-08 15:39:05,915 - ERROR      - Traktarr                            - movies                              - FAILED ADDING: 'HG Wells: War with the World (2006)'

System Information

Traktarr Version: master
Operating System: Ubuntu 18.04

Additional context This is similar to an issue that impacted Trackarr

l3uddz / traktarr

Radarr: Year passed as string, needs to pass as integer #144