feat: remove redis ping

[ville]

Rationale

No need to make extra ping call

Changes

Removed ping call

TODO

• Update CHANGELOG.md

[Copilot]

Pull Request Overview

Removes an unnecessary Redis ping call at adapter initialization and cleans up the related test.

• Eliminated the initial self.client.ping() invocation from DeprecatedRedisAdapter.__init__
• Removed the test_init_connect_exc test and its Redis import in tests/unit/state/test_redis_adapter.py
• TODO reminder to update CHANGELOG.md

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/corva/cache_adapter.py	Removed initial self.client.ping() call from the constructor
tests/unit/state/test_redis_adapter.py	Deleted the test_init_connect_exc function and unused Redis import

Comments suppressed due to low confidence (1)

src/corva/cache_adapter.py:262

• Update the docstring of DeprecatedRedisAdapter.__init__ to note that it no longer performs a connectivity check at instantiation.

    def __init__(

[suchov]

@ville what do you think about Copilot suggestions to remove intial self.client.ping() call form the constructor and delete test_init_connect_exc ?