Adding ssl_verify_flags_config argument for ssl connection configuration

[petyaslavova]

Pull Request check-list

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Description of change

Fixes #3685

[Copilot]

Pull Request Overview

This PR adds support for SSL verification flags configuration in Redis connections by introducing the ssl_verify_flags_config parameter. This allows users to customize SSL certificate verification behavior for both synchronous and asynchronous Redis connections.

• Added ssl_verify_flags_config parameter to configure SSL verification flags
• Implemented URL parsing support for the new SSL parameter
• Added comprehensive test coverage for the new functionality

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
redis/connection.py	Added ssl_verify_flags_config parameter and URL parsing logic for sync connections
redis/asyncio/connection.py	Added ssl_verify_flags_config parameter and URL parsing logic for async connections
redis/client.py	Added ssl_verify_flags_config parameter to Redis client constructor
redis/asyncio/client.py	Added ssl_verify_flags_config parameter to async Redis client constructor
redis/cluster.py	Added ssl_verify_flags_config to cluster SSL parameters list
redis/asyncio/cluster.py	Added ssl_verify_flags_config parameter to async cluster client
tests/test_ssl.py	Added test for SSL flags configuration in sync connections
tests/test_asyncio/test_ssl.py	Added test for SSL flags configuration in async connections
tests/test_connection_pool.py	Added tests for URL parsing of SSL flags configuration

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