chore(deps): update dependency openstacksdk to v4.9.0

[Copilot]

Applicable spec: N/A

Overview

Dependency update from openstacksdk 4.8.0 to 4.9.0, with formatting fixes applied to comply with black code style standards in both root and app directories.

Rationale

Automated dependency maintenance to incorporate upstream fixes and improvements. Formatting corrections required to pass CI linting checks for both the charm and application code.

Juju Events Changes

None.

Module Changes

None. Code formatting only:

Root directory:

• src/charm.py - Adjusted string literal formatting
• src/pipx.py - Removed extra blank line
• tests/conftest.py - Removed extra blank line
• tests/integration/conftest.py - Added missing blank line after docstring
• tests/integration/test_charm.py - Added missing blank line after docstring
• tests/unit/test_builder.py - Simplified multi-line string assertions
• tests/unit/test_charm.py - Added missing blank line after docstring

App directory:

• app/tests/conftest.py - Removed extra blank line
• app/tests/integration/conftest.py - Added missing blank line after docstring
• app/tests/unit/test_logging.py - Added missing blank line after docstring
• app/tests/integration/helpers.py - Simplified multi-line string formatting

Library Changes

None.

Checklist

• The charm style guide was applied
• The contributing guide was applied
• The changes are compliant with ISD054 - Managing Charm Complexity
• The documentation for charmhub is updated.
• The PR is tagged with appropriate label (urgent, trivial, senior-review-required, documentation)
• The docs/changelog.md is updated with user-relevant changes in the format of keep a changelog v1.1.0
• The application version is incremented in app/pyproject.toml

Documentation and changelog updates not required for automated dependency updates. Application version increment handled separately per dependency update policy.

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[cbartz]

@copilot linting is still failing as indicated in https://github.com/canonical/github-runner-image-builder-operator/actions/runs/21173105204/job/60894885199?pr=187

[Copilot]

@copilot linting is still failing as indicated in https://github.com/canonical/github-runner-image-builder-operator/actions/runs/21173105204/job/60894885199?pr=187

Fixed in 8694001. The app directory also had black formatter violations in 4 test files. Both root and app directories now pass linting.