Run the db migrations not only in trace log level

Fix a bug where the database migrations were only triggered when the
application was started in the `trace` logging level.

src/main.rs

@@ -108,10 +108,12 @@ async fn main() -> Result<()> {
     Config::init(args.config)?;
 
     let mut db_pool = get_connection_pool(Config::get())?;
-    trace!(migrations = ?db_pool
+    let mut db_connection = db_pool.get()?;
-        .get()?
+    let migrations = db_connection
         .run_pending_migrations(MIGRATIONS)
-        .map_err(|e| anyhow!(e)), "running database migrations");
+        .map_err(|e| anyhow!(e))?;
+
+    trace!(?migrations, "applied database");
 
     let reminder = std::thread::spawn(move || -> Result<(), Error> {
         let mailer = SmtpTransport::unencrypted_localhost();