[cli] Update the pyproject.toml file missed in the previos commit for

0.3.5 release.

Author: kyolee415

examples/gemini/python/docs-agent/pyproject.toml

@@ -48,6 +48,4 @@ build-backend = "poetry.core.masonry.api"
 
 
 [tool.poetry.scripts]
-agent = "docs_agent.interfaces.cli:cli"
-agent_admin = "docs_agent.interfaces.cli:cli_admin"
-agent_client = "docs_agent.interfaces.cli:cli_client"
+agent = "docs_agent.interfaces.cli.cli:cli"