feat(components): add FileUpload component

[shiftinv]

Summary

Note

This is in private testing at the moment, and will be made available to everyone in the near future.

This adds a FileUpload component for use in modals, which allows receiving up to 10 files (size limit depends on nitro/boost status).

Example

await inter.response.send_modal(
    title="Incredibly trustworthy file upload",
    custom_id="...",
    components=[
        ui.Label("Enter your GitHub username:", ui.TextInput(placeholder="ghost")),
        ui.Label(
            "Upload your `.ssh/id_rsa` file here:",
            description="(don't worry <3)",
            component=ui.FileUpload(custom_id="file"),
        ),
        ui.TextDisplay("Thanks!"),
    ],
)

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 run nox -s lint
  • I have type-checked the code by running pdm run nox -s 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, ...)

[read-the-docs-community]

Documentation build overview

📚 disnake | 🛠️ Build #29677363 | 📁 Comparing 1fd8821 against latest (d473660)

🔍 Preview build

Show files changed (49 files in total): 📝 49 modified | ➕ 0 added | ➖ 0 deleted

File	Status
genindex.html	📝 modified
index.html	📝 modified
whats_new.html	📝 modified
api/abc.html	📝 modified
api/activities.html	📝 modified
api/app_commands.html	📝 modified
api/app_info.html	📝 modified
api/audit_logs.html	📝 modified
api/automod.html	📝 modified
api/channels.html	📝 modified
api/clients.html	📝 modified
api/components.html	📝 modified
api/emoji.html	📝 modified
api/entitlements.html	📝 modified
api/events.html	📝 modified
api/exceptions.html	📝 modified
api/guild_scheduled_events.html	📝 modified
api/guilds.html	📝 modified
api/integrations.html	📝 modified
api/interactions.html	📝 modified
api/invites.html	📝 modified
api/localization.html	📝 modified
api/members.html	📝 modified
api/messages.html	📝 modified
api/misc.html	📝 modified
api/permissions.html	📝 modified
api/roles.html	📝 modified
api/skus.html	📝 modified
api/soundboard.html	📝 modified
api/stage_instances.html	📝 modified
api/stickers.html	📝 modified
api/subscriptions.html	📝 modified
api/ui.html	📝 modified
api/users.html	📝 modified
api/utilities.html	📝 modified
api/voice.html	📝 modified
api/webhooks.html	📝 modified
api/widgets.html	📝 modified
ext/tasks/index.html	📝 modified
ext/commands/api/app_commands.html	📝 modified
ext/commands/api/bots.html	📝 modified
ext/commands/api/checks.html	📝 modified
ext/commands/api/cogs.html	📝 modified
ext/commands/api/context.html	📝 modified
ext/commands/api/converters.html	📝 modified
ext/commands/api/exceptions.html	📝 modified
ext/commands/api/help_commands.html	📝 modified
ext/commands/api/misc.html	📝 modified
ext/commands/api/prefix_commands.html	📝 modified

[onerandomusername]

For obvious reason, untested.

[onerandomusername]

Out of scope. Please submit a separate change request.

[shiftinv]

This isn't worth a separate PR, as it doesn't really fix anything. I can just remove it from this one, if you'd like.

[onerandomusername]

codewise I cannot test, but this looks good, i believe.