fix invalid charset (#1271)

Author: tlgimenes

clearsale/mod.ts

@@ -56,7 +56,6 @@ export default function App(props: Props): App<Manifest, State> {
   });
 
   const getToken = async () => {
-    console.log("getToken", { stringUsername, stringPassword });
     const response = await api["POST /v1/authentication"]({}, {
       body: {
         Username: stringUsername,

slack/client.ts

@@ -116,7 +116,7 @@ export class SlackClient {
   ) {
     this.botHeaders = {
       Authorization: `Bearer ${botToken}`,
-      "Content-Type": "application/json",
+      "Content-Type": "application/json; charset=utf-8",
     };
     this.oauthClient = oauthClient;
   }