Updated [Discord.Net](https://github.com/discord-net/Discord.Net) from
3.19.1 to 3.20.1.

<details>
<summary>Release notes</summary>

_Sourced from [Discord.Net's
releases](https://github.com/discord-net/Discord.Net/releases)._

## 3.20.1

## [3.20.1] - 2026-06-07
This release fixes a regression introduced in 3.20.0

### Fixed
- #​3276 Handle null VoiceChannel in SocketVoiceState constructor
(61ed916)

**Full Changelog**:
discord-net/Discord.Net@3.20.0...3.20.1

## 3.20.0

## [3.20.0] - 2026-06-06
This release brings support for checkboxes and checkbox/radio groups in
modals, and also covers the "new" message search endpoint.

### Breaking changes
- `SelectMenuOptionAttribute` from the Interaction Framework was renamed
to `EnumOptionAttribute`.

### Added
- #​3232 IF modal radio buttons, and checkboxes (c95fbf6)
- #​3268 add support for getting messages from a guild (with filters)
(31fed25)
- #​3255 add missing audit log action types (4476eea)
- #​3265 Add GET voice-state REST wrappers (13d83da)

### Fixed
- #​3258 propagate parent module attributes to child commands (cbc61d9)
- #​3263 strip RTP padding before DAVE decrypt (RFC 3550 В§5.1)
(1a843fb)
- #​3256 Add empty payload check (6527e71)
- #​3264 Fix reference to PreCompiledLambdas/UseCompiledLambda (763aa79)
- #​3271 fix for #​3269 (9abfbfd)
- #​3272 Fix default array converter in modals & add docs for
checkboxes/radio groups (527764c)

### Misc
- #​3254 user `global_name` description (05af64b)
- #​3257 feat(Core): add missing JSON error codes (4272ae1)
- #​3259 refactor(Core): rename JSON error code (504e1db)
- #​3261 Message call data timestamp nullability (5a328a0)
- #​3266 Add play audio sample (4d8b0bc)

## New Contributors
* @​Archivelit made their first contribution in
discord-net/Discord.Net#3256
* @​Sim-hu made their first contribution in
discord-net/Discord.Net#3255
* @​yury-opolev made their first contribution in
discord-net/Discord.Net#3263
* @​apartje made their first contribution in
discord-net/Discord.Net#3271

**Full Changelog**:
discord-net/Discord.Net@3.19.1...3.20.0

Commits viewable in [compare
view](discord-net/Discord.Net@3.19.1...3.20.1).
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