feat(errors): add more voice disconnect reasons

[Snipy7374]

Summary

discord/discord-api-docs#7582

Checklist

• If code changes were made, then they have been tested
  • I have updated the documentation to reflect the changes
  • I have formatted the code properly by running pdm lint
  • I have type-checked the code by running pdm pyright
• This PR fixes an issue
• This PR adds something new (e.g. new method or parameters)
• This PR is a breaking change (e.g. methods or parameters removed/renamed)
• This PR is not a code change (e.g. documentation, README, ...)

[shiftinv]

it appears that parts of 4014 were moved to 4022, so 4014 should now probably only say something like Disconnected (you were kicked, the main gateway session was dropped, etc.)

[Snipy7374]

it appears that parts of 4014 were moved to 4022, so 4014 should now probably only say something like Disconnected (you were kicked, the main gateway session was dropped, etc.)

d601dfb