fix cargo audit reports and upgraded cargo dependencies

src/database.rs

@@ -1,7 +1,7 @@
 use diesel::pg::PgConnection;
 use diesel::prelude::*;
 use diesel_migrations::{embed_migrations, EmbeddedMigrations, MigrationHarness};
-use dotenv::dotenv;
+use dotenvy::dotenv;
 use std::env;
 
 pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!("migrations");