Ensure go2rtc server starts using posix_spawn/vfork (#129196)

homeassistant/components/go2rtc/server.py

@@ -62,6 +62,7 @@ class Server:
             config_file,
             stdout=asyncio.subprocess.PIPE,
             stderr=asyncio.subprocess.STDOUT,
+            close_fds=False,  # required for posix_spawn on CPython < 3.13
         )
 
         self._hass.async_create_background_task(

tests/components/go2rtc/test_server.py

@@ -67,6 +67,7 @@ async def test_server_run_success(
         "test.yaml",
         stdout=subprocess.PIPE,
         stderr=subprocess.STDOUT,
+        close_fds=False,
     )
 
     # Verify that the config file was written