update

Author: chunhtai

script/tool/lib/src/repo_package_info_check_command.dart

@@ -432,13 +432,7 @@ class RepoPackageInfoCheckCommand extends PackageLoopingCommand {
     }
 
     final String content = ciYamlFile.readAsStringSync();
-    final YamlMap yaml;
-    try {
-      yaml = loadYaml(content) as YamlMap;
-    } catch (e) {
-      errors.add('Invalid YAML in .ci.yaml: $e');
-      return errors;
-    }
+    final yaml = loadYaml(content) as YamlMap;
 
     final enabledBranches = yaml['enabled_branches'] as YamlList?;
     final bool hasBranchPattern =
@@ -454,7 +448,7 @@ class RepoPackageInfoCheckCommand extends PackageLoopingCommand {
     } else if (!isBatchRelease && hasBranchPattern) {
       errors.add(
         'Unexpected release branch pattern release-$packageName-\\d+\\.\\d+\\.\\d+ '
-        'in enabled_branches in .ci.yaml\n',
+        'in enabled_branches in .ci.yaml',
       );
     }
     return errors;