fix: pass env vars to coded mcp servers

[radu-mocanu]

• pass env vars to coded mcp servers
• since dict(objA) creates a new reference to the object, the env_vars in the initial object were not correctly updated as expected.

Development Package

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

[project]
dependencies = [
  # Exact version:
  "uipath-mcp==0.0.101.dev1001420083",

  # Any version from PR
  "uipath-mcp>=0.0.101.dev1001420000,<0.0.101.dev1001430000"
]

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

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