fix(query): properly return for FOREIGNKEYS type

lib/dialects/mssql/query.js

@@ -235,7 +235,7 @@ class Query extends AbstractQuery {
     } else if (this.isVersionQuery()) {
       result = data[0].version;
     } else if (this.isForeignKeysQuery()) {
-      result = data;
+      result = [data];
     } else if (this.isInsertQuery() || this.isUpdateQuery()) {
       result = [result, rowCount];
     } else if (this.isShowConstraintsQuery()) {

lib/dialects/mysql/query.js

@@ -138,7 +138,7 @@ class Query extends AbstractQuery {
     } else if (this.isVersionQuery()) {
       result = data[0].version;
     } else if (this.isForeignKeysQuery()) {
-      result = data;
+      result = [data];
     } else if (this.isInsertQuery() || this.isUpdateQuery()) {
       result = [result, data.affectedRows];
     } else if (this.isShowConstraintsQuery()) {