Feat 8909 add python env support in report generation

[AibekMinbaev]

Description

Add python venv support in report generation

Related Issue

Closes: #8909

Motivation and Context

Now it is possible to use modules from virtual environment.

Requires Documentation Change

• Add python-venv option to Options list in https://www.quantconnect.com/docs/v2/lean-cli/api-reference/lean-report
• Update API reference in https://www.lean.io/docs/v2/lean-engine/class-reference/cs/classQuantConnect_1_1Report_1_1Report.html

How Has This Been Tested?

• Tested by creating python virtual environment.
• Confirmed that sys.path contains virtual environments site-packages and modules are imported from there.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• Refactor (non-breaking change which improves implementation)
• Performance (non-breaking change which improves performance. Please add associated performance test and results)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Non-functional change (xml comments/documentation/etc)

Checklist:

• My code follows the code style of this project.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.
• My branch follows the naming convention bug-<issue#>-<description> or feature-<issue#>-<description>