Update permissions for start_prune (#2881)

discord/discord-api-docs#6688

Author: jamesbt365

src/model/guild/guild_id.rs

@@ -1430,13 +1430,14 @@ impl GuildId {
     ///
     /// See the documentation on [`GuildPrune`] for more information.
     ///
-    /// **Note**: Requires the [Kick Members] permission.
+    /// **Note**: Requires [Kick Members] and [Manage Guild] permissions.
     ///
     /// # Errors
     ///
     /// Returns [`Error::Http`] if the current user lacks permission.
     ///
     /// [Kick Members]: Permissions::KICK_MEMBERS
+    /// [Manage Guild]: Permissions::KICK_MEMBERS
     #[inline]
     pub async fn start_prune(self, http: impl AsRef<Http>, days: u8) -> Result<GuildPrune> {
         http.as_ref().start_guild_prune(self, days, None).await

src/model/guild/mod.rs

@@ -2354,7 +2354,7 @@ impl Guild {
     ///
     /// See the documentation on [`GuildPrune`] for more information.
     ///
-    /// **Note**: Requires the [Kick Members] permission.
+    /// **Note**: Requires [Kick Members] and [Manage Guild] permissions.
     ///
     /// # Errors
     ///
@@ -2366,13 +2366,14 @@ impl Guild {
     /// Can also return an [`Error::Json`] if there is an error deserializing the API response.
     ///
     /// [Kick Members]: Permissions::KICK_MEMBERS
+    /// [Manage Guild]: Permissions::MANAGE_GUILD
     /// [`Error::Http`]: crate::error::Error::Http
     /// [`Error::Json`]: crate::error::Error::Json
     pub async fn start_prune(&self, cache_http: impl CacheHttp, days: u8) -> Result<GuildPrune> {
         #[cfg(feature = "cache")]
         {
             if let Some(cache) = cache_http.cache() {
-                self.require_perms(cache, Permissions::KICK_MEMBERS)?;
+                self.require_perms(cache, Permissions::KICK_MEMBERS | Permissions::MANAGE_GUILD)?;
             }
         }
 

src/model/guild/partial_guild.rs

@@ -1119,7 +1119,7 @@ impl PartialGuild {
     ///
     /// See the documentation on [`GuildPrune`] for more information.
     ///
-    /// **Note**: Requires the [Kick Members] permission.
+    /// **Note**: Requires [Kick Members] and [Manage Guild] permissions.
     ///
     /// # Errors
     ///
@@ -1131,6 +1131,7 @@ impl PartialGuild {
     /// Can also return an [`Error::Json`] if there is an error deserializing the API response.
     ///
     /// [Kick Members]: Permissions::KICK_MEMBERS
+    /// [Manage Guild]: Permissions::MANAGE_GUILD
     /// [`Error::Http`]: crate::error::Error::Http
     /// [`Error::Json`]: crate::error::Error::Json
     pub async fn start_prune(&self, cache_http: impl CacheHttp, days: u8) -> Result<GuildPrune> {