Update concurrency from 2 to 4 and use max_concurrency instead of max_value

Co-authored-by: puddly <[email protected]>

Author: Copilot

tests/application/test_startup.py

@@ -304,12 +304,12 @@ async def test_reset_network_info(device, make_application):
     "device, concurrency",
     [
         (FormedLaunchpadCC26X2R1, 16),
-        (FormedZStack1CC2531, 2),
+        (FormedZStack1CC2531, 4),
     ],
 )
 async def test_concurrency_auto_config(device, concurrency, make_application):
     app, znp_server = make_application(server_cls=device)
     await app.connect()
     await app.start_network()
 
-    assert app._concurrent_requests_semaphore.max_value == concurrency
+    assert app._concurrent_requests_semaphore.max_concurrency == concurrency

zigpy_znp/zigbee/application.py

@@ -187,12 +187,12 @@ async def start_network(self, *, read_only=False):
             None,
             zigpy.config.defaults.CONF_MAX_CONCURRENT_REQUESTS_DEFAULT,
         ):
-            max_concurrent_requests = 16 if self._znp.nvram.align_structs else 2
+            max_concurrent_requests = 16 if self._znp.nvram.align_structs else 4
         else:
             max_concurrent_requests = self._config[conf.CONF_MAX_CONCURRENT_REQUESTS]
 
         # Update the max value of the concurrent request semaphore at runtime
-        self._concurrent_requests_semaphore.max_value = max_concurrent_requests
+        self._concurrent_requests_semaphore.max_concurrency = max_concurrent_requests
 
         if self.state.network_info.network_key.key == const.Z2M_NETWORK_KEY:
             LOGGER.warning(