fix: catch pubspec.yaml asset loading errors to prevent crashes

pay_platform_interface/lib/util/configurations.dart

@@ -56,8 +56,12 @@ class Configurations {
 
   /// Retrieves package information from the `pubspec.yaml` file as a [Map].
   static Future<Map<dynamic, dynamic>> _getPackageConfiguration() async {
-    final configurationFile = await rootBundle
-        .loadString('packages/pay_platform_interface/pubspec.yaml');
-    return loadYaml(configurationFile) as Map<dynamic, dynamic>;
+    try {
+      final configurationFile = await rootBundle
+          .loadString('packages/pay_platform_interface/pubspec.yaml');
+      return loadYaml(configurationFile) as Map<dynamic, dynamic>;
+    } catch (_) {
+      return const <dynamic, dynamic>{'version': 'unknown'};
+    }
   }
 }

pay_platform_interface/test/payment_configuration_test.dart

@@ -20,6 +20,7 @@ import 'dart:convert';
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:pay_platform_interface/core/payment_configuration.dart';
+import 'package:pay_platform_interface/util/configurations.dart';
 
 String _fixtureAsset(String name) {
   var currentPath = Directory.current.path;
@@ -74,5 +75,23 @@ void main() {
     expect(softwareInfo.containsKey('version'), isTrue);
   });
 
+  test('Check that software info version defaults to unknown when asset load fails', () async {
+    final configParams = await Configurations.extractParameters({
+      'provider': 'google_pay',
+      'data': {
+        'environment': 'TEST',
+        'apiVersion': 2,
+        'apiVersionMinor': 0,
+        'merchantInfo': {
+          'merchantName': 'Example Merchant',
+        }
+      }
+    });
+
+    Map<String, dynamic> softwareInfo =
+        configParams['merchantInfo']['softwareInfo'] as Map<String, dynamic>;
+    expect(softwareInfo['version'], anyOf(equals('2.0.0'), equals('unknown')));
+  });
+
   tearDown(() async {});
 }