apn: Update for Telus MVNO's (Canada)

They are sending out emails to users informing them that MMS will stop functioning
unless they update their APN settings before February 14, 2024

https://www.publicmobile.ca/en/bc/get-help/articles/set-up-data-on-an-android-phone

https://www.koodomobile.com/en/help/setting-data-your-non-koodo-phone

https://apn.how/ca/pc-mobile
(The official PC Mobile website sucks and doesn't mention MMS Proxy for some reason...)

Change-Id: I31e22930c39048bcf7acbd206917825575b531b5