[Deprecation][2/N] Replace --task with --runner and --convert (#21470)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
Co-authored-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

examples/offline_inference/basic/embed.py

@@ -13,7 +13,7 @@ def parse_args():
     # Set example specific arguments
     parser.set_defaults(
         model="intfloat/e5-mistral-7b-instruct",
-        task="embed",
+        runner="pooling",
         enforce_eager=True,
         max_model_len=1024,
     )
@@ -30,7 +30,7 @@ def main(args: Namespace):
     ]
 
     # Create an LLM.
-    # You should pass task="embed" for embedding models
+    # You should pass runner="pooling" for embedding models
     llm = LLM(**vars(args))
 
     # Generate embedding. The output is a list of EmbeddingRequestOutputs.