server: fix clippy warning

The clippy::uninlined_format_args warning in 1.67 was downgraded to
pedantic in 1.67.1 due to lack of support in rust-analyzer, so we're not
updating that one yet.

migration-tool/src/main.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::uninlined_format_args)]
+
 use std::collections::HashSet;
 
 use anyhow::{anyhow, Result};