build(grantlee): fix injected Test find_package to use 'find_package(Qt6 COMPONENTS Test REQUIRED)'

app/build_grantlee_qt6.sh

@@ -73,7 +73,7 @@ for p in Path('.').rglob('*'):
         try:
             s = p.read_text()
             if 'Qt6::Test' in s and 'find_package(Qt6 Test' not in s:
-                s = 'find_package(Qt6 Test REQUIRED)\n' + s
+                s = 'find_package(Qt6 COMPONENTS Test REQUIRED)\n' + s
                 p.write_text(s)
                 print('Inserted find_package(Qt6 Test REQUIRED) in', p)
         except Exception as e: