Add workflow parameters

[mikita-sakalouski]

Description

1. Added parameters attribute for class Workflow, reuse JobsParameters class for type expected in this
2. Adjusted Job creation to pass workflow.parameters
3. Adjusted tests

Related Issue

#157

Motivation and Context

Setup workflow parameters and push them to tasks through variables.

How Has This Been Tested?

Adjusted existing tests

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Attention: Patch coverage is 96.07843% with 2 lines in your changes missing coverage. Please review.

Project coverage is 91.53%. Comparing base (35d0824) to head (9ad2fa6).
Report is 18 commits behind head on main.

Files with missing lines	Patch %	Lines
brickflow/codegen/databricks_bundle.py	94.11%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #158      +/-   ##
==========================================
+ Coverage   90.33%   91.53%   +1.19%     
==========================================
  Files          22       22              
  Lines        3384     4076     +692     
==========================================
+ Hits         3057     3731     +674     
- Misses        327      345      +18     

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[asingamaneni]

LGTM