[LMCache] Fix breakage due to new LMCache version (#30216)

Signed-off-by: Nick Hill <nhill@redhat.com>

requirements/kv_connectors.txt

-lmcache
+lmcache >= 0.3.10.post1
 nixl >= 0.7.1 # Required for disaggregated prefill

vllm/distributed/kv_transfer/kv_connector/v1/lmcache_integration/vllm_v1_adapter.py

@@ -27,7 +27,7 @@ from lmcache.v1.lookup_client.lmcache_async_lookup_client import (
     LMCacheAsyncLookupServer,
 )
 from lmcache.v1.offload_server.zmq_server import ZMQOffloadServer
-from lmcache.v1.plugin.plugin_launcher import PluginLauncher
+from lmcache.v1.plugin.runtime_plugin_launcher import RuntimePluginLauncher
 
 from vllm.attention.backends.abstract import AttentionMetadata
 from vllm.config import VllmConfig
@@ -683,7 +683,7 @@ class LMCacheConnectorV1Impl:
             self.api_server = InternalAPIServer(self)
             self.api_server.start()
             # Launch plugins
-            self.plugin_launcher = PluginLauncher(
+            self.plugin_launcher = RuntimePluginLauncher(
                 self.config,
                 role,
                 self.worker_count,