doc: add examples of bentoml deploy for bento args (#5318)

Signed-off-by: Frost Ming <me@frostming.com>

Author: frostming

docs/source/build-with-bentoml/template-arguments.rst

@@ -67,6 +67,7 @@ After setting the template arguments, you can supply their values dynamically th
 
    bentoml build --arg model_name=meta-llama/Llama-3.3-70B-Instruct --arg gpu=4
    bentoml serve --arg model_name=deepseek-ai/DeepSeek-V3
+   bentoml deploy --arg model_name=deepseek-ai/DeepSeek-V3
 
 .. warning::