fix: align object version limit handling (#7415)

Co-authored-by: zhi22915 <qiuzgang@gmail.com>

crates/utils/src/envs.rs

@@ -125,6 +125,7 @@ const EXTERNAL_COMPATIBLE_SUFFIXES: &[&str] = &[
     "ACCESS_KEY",
     "ACCESS_KEY_FILE",
     "ADDRESS",
+    "API_OBJECT_MAX_VERSIONS",
     "API_XFF_HEADER",
     "AUDIT_WEBHOOK_AUTH_TOKEN",
     "AUDIT_WEBHOOK_CLIENT_CERT",
@@ -900,4 +901,15 @@ mod tests {
             });
         });
     }
+
+    #[test]
+    fn external_env_compat_includes_api_object_max_versions() {
+        let report =
+            build_external_env_compat_report_from_entries([("MINIO_API_OBJECT_MAX_VERSIONS".to_string(), "50000".to_string())]);
+
+        assert_eq!(
+            report.mapped_pairs,
+            vec![("MINIO_API_OBJECT_MAX_VERSIONS".to_string(), "RUSTFS_API_OBJECT_MAX_VERSIONS".to_string())]
+        );
+    }
 }