Fix YamlJobMigrationITCase

Signed-off-by: yuxiqian <34335406+yuxiqian@users.noreply.github.com>

Author: yuxiqian

flink-cdc-e2e-tests/flink-cdc-pipeline-e2e-tests/src/test/java/org/apache/flink/cdc/pipeline/tests/migration/YamlJobMigrationITCase.java

@@ -214,7 +214,7 @@ void testStartingJobFromSavepointWithSchemaChange(TarballFetcher.CdcVersion migr
                                 + "\n"
                                 + "pipeline:\n"
                                 + "  parallelism: %d\n"
-                                + "use.legacy.json.format: true\n",
+                                + "  use.legacy.json.format: true\n",
                         INTER_CONTAINER_MYSQL_ALIAS,
                         MySqlContainer.MYSQL_PORT,
                         MYSQL_TEST_USER,