fix: add chat agent with hitl middleware

[cristipufu]

Description

• Update uipath-runtime 0.2.0: fix: debugger emit suspend/resumed uipath-runtime-python#41
• Update uipath-core 0.1.0: fix: fix chat models uipath-core-python#14
• Fix streaming output when using a middleware
• Fix interrupted tool call streaming
• Add sample with a chat agent and HITL middleware

Development Package

• Add this package as a dependency in your pyproject.toml:

[project]
dependencies = [
  # Exact version:
  "uipath-langchain==0.1.14.dev1003051284",

  # Any version from PR
  "uipath-langchain>=0.1.14.dev1003050000,<0.1.14.dev1003060000"
]

[[tool.uv.index]]
name = "testpypi"
url = "https://test.pypi.org/simple/"
publish-url = "https://test.pypi.org/legacy/"
explicit = true

[tool.uv.sources]
uipath-langchain = { index = "testpypi" }