[FEATURE] add authorization header to httpstep

[dannymeijer]

Description

This pull request includes changes to the HttpStep class and adds comprehensive unit tests. The changes to the HttpStep class include:

• Addition of decode_sensitive_headers method to decode SecretStr values in headers.
• Modification of get_headers method to dump headers into JSON without SecretStr masking.
• Addition of methods (get, post, put, delete) to handle different HTTP methods.
• Addition of the auth_header field to handle authorization headers, replacing the previous implementation.

The unit tests cover:

• Successful and failed HTTP requests for GET, POST, PUT, and DELETE methods.
• Handling of authorization headers, including Bearer tokens and Digest authentication.
• Retry logic for handling HTTP errors with configurable retry counts.
• Backoff strategies for retrying requests with exponential backoff.

Related Issue

#162

Motivation and Context

This pull request addresses potential data leaks regarding authorization headers. The changes ensure that sensitive information is handled securely and that the HttpStep class can handle various HTTP methods. The comprehensive unit tests help prevent regressions and ensure that the class behaves as expected under different conditions.

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.

[zarembat]

Neat 😊

[pariksheet]

LGTM