fixed error with update bio

src/main.rs

@@ -4,13 +4,18 @@ use mastodon_async::entities::visibility::Visibility;
 use mastodon_async::helpers::{cli, toml as masto_toml};
 use mastodon_async::prelude::*;
 use reqwest;
-use serde::Deserialize;
+use serde::{Deserialize, Serialize};
 use std::collections::HashSet;
 use std::io::{Cursor, Write};
 use std::process::exit;
 use std::time::Duration;
 use toml;
 
+#[derive(Debug, Serialize)]
+struct AccountUpdate {
+  note: String,
+}
+
 const CONFIG_FILENAME: &str = "config.toml";
 
 type DynResult<T> = Result<T, Box<dyn std::error::Error>>;
@@ -186,16 +191,17 @@ async fn update_bio(account: &Mastodon, config: &Config) -> DynResult<()> {
   let remaining = urls.difference(&posted).count();
   let client = reqwest::Client::new();
 
+  let account_update = AccountUpdate {
+    note: format!("{}\n\n{} new images remaining", config.bot.bio, remaining),
+  };
+
   let response = client
     .patch(&format!(
       "{}/api/v1/accounts/update_credentials",
       config.bot.instance
     ))
     .bearer_auth(&account.data.token)
-    .body(format!(
+    .json(&account_update)
-      "note={}\n\n{} new images remaining",
-      config.bot.bio, remaining
-    ))
     .send()
     .await?;
   log::info!("Bio updated, response status: {}", response.status());