chore: try to have migrations check just use start-server directly

Author: samrose

nix/tools/dbmate-tool.sh.in

@@ -215,6 +215,7 @@ migrate_version() {
     # Wait for PostgreSQL to be ready to accept connections
     if ! wait_for_postgres; then
         echo "Failed to connect to PostgreSQL server"
+        cleanup
         exit 1
     fi