feat: generate ibmstorwizesvc charm

[ahmad-can]

Related Charm https://review.opendev.org/c/openstack/sunbeam-charms/+/983837

[Copilot]

Pull request overview

Adds a new Sunbeam storage backend implementation for IBM Storwize SVC, along with unit tests and fixture wiring so it participates in the shared backend test suite.

Changes:

• Introduce ibmstorwizesvc backend module with a Pydantic config model and charm metadata.
• Add unit tests validating backend identity, secret-marking of credentials, and protocol validation.
• Extend common backend fixtures/tests to include the new backend in parametrized coverage and uniqueness checks.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
sunbeam-python/sunbeam/storage/backends/ibmstorwizesvc/backend.py	New backend + config model for IBM Storwize SVC and charm properties
sunbeam-python/sunbeam/storage/backends/ibmstorwizesvc/init.py	New backend package marker/docstring
sunbeam-python/tests/unit/sunbeam/storage/backends/test_ibmstorwizesvc.py	New unit tests for the IBM Storwize SVC backend/config validation
sunbeam-python/tests/unit/sunbeam/storage/backends/conftest.py	Add ibmstorwizesvc_backend fixture and include it in any_backend
sunbeam-python/tests/unit/sunbeam/storage/backends/test_common.py	Include new backend in uniqueness and expected-value parametrized tests

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