feat: suppress Gradle welcome message during init (#3659)

packages/shorebird_cli/lib/src/executables/gradlew.dart

@@ -1,3 +1,4 @@
+// cspell:words Dorg
 import 'dart:io';
 
 import 'package:collection/collection.dart';
@@ -185,9 +186,12 @@ class Gradlew {
   }
 
   /// Starts the daemon if not running at [projectRoot].
-  /// Command: `./gradlew --daemon`
+  /// Command: `./gradlew --daemon -Dorg.gradle.welcome=never`
   Future<void> startDaemon(String projectRoot) async {
-    final exitCode = await _stream(['--daemon'], projectRoot);
+    final exitCode = await _stream([
+      '--daemon',
+      '-Dorg.gradle.welcome=never',
+    ], projectRoot);
     if (exitCode != 0) {
       throw Exception('Unable to start gradle daemon');
     }

packages/shorebird_cli/test/src/executables/gradlew_test.dart

@@ -1,3 +1,4 @@
+// cspell:words Dorg
 import 'dart:io' hide Platform;
 
 import 'package:mason_logger/mason_logger.dart';
@@ -585,7 +586,7 @@ No daemons are running.
         verify(
           () => process.stream(
             p.join(projectRoot.path, 'android', 'gradlew'),
-            ['--daemon'],
+            ['--daemon', '-Dorg.gradle.welcome=never'],
             runInShell: false,
             workingDirectory: p.join(projectRoot.path, 'android'),
             environment: {'JAVA_HOME': javaHome},