Introduced the Ruff formatter and Github actions to check formatting issues

[jprakash-db]

What type of PR is this?

Introduced the Ruff formatter and Github actions to check formatting issues

• Refactor
• Feature
• Bug Fix
• Other

[github-actions]

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[Copilot]

Pull request overview

This pull request introduces the Ruff formatter as a replacement for Black and adds GitHub Actions to automatically check for formatting issues in the codebase.

Changes:

• Replaced Black formatter with Ruff formatter across the entire codebase
• Updated dependency management to remove Black and add Ruff
• Modified CI/CD workflow to use Ruff for format checking
• Applied Ruff formatting to all Python files (tests, source code, scripts, and examples)

Reviewed changes

Copilot reviewed 62 out of 63 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pyproject.toml	Removed Black dependency, added Ruff ^0.14.13, replaced [tool.black] with [tool.ruff.format] configuration
poetry.lock	Updated lock file to reflect removal of Black (and its dependencies: click, pathspec) and addition of Ruff
.github/workflows/code-quality-checks.yml	Renamed job from "check-linting" to "code-format-check", updated command from black --check to ruff format --check
tests/unit/*.py	Applied Ruff formatting: multi-line parameter formatting, removed trailing whitespace, adjusted blank lines
tests/e2e/*.py	Applied Ruff formatting: consistent string quotes, multi-line call formatting, blank line adjustments
src/databricks/sql/*.py	Applied Ruff formatting: line continuation improvements, consistent formatting
scripts/dependency_manager.py	Applied Ruff formatting: string quote consistency, blank line adjustments
examples/*.py	Applied Ruff formatting: removed trailing blank lines, consistent formatting

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