Chore introduce linter

[onefloid]

Description

This PR adds the ruff linter to the project and fix all rule viloations.

Before

(.venv) > ruff check --statistics
136     F401    [ ] unused-import
 25     F541    [*] f-string-missing-placeholders
  9     F811    [ ] redefined-while-unused
  5     F841    [ ] unused-variable
  3     E722    [ ] bare-except
  2     F403    [ ] undefined-local-with-import-star
  2     F821    [ ] undefined-name
  1     E712    [ ] true-false-comparison
  1     E731    [ ] lambda-assignment
  1     F522    [*] string-dot-format-extra-named-arguments        
Found 185 errors.

All violations were fixed

(.venv) >  ruff check --statistics

[Copilot]

Pull Request Overview

This PR introduces the Ruff linter to the project to improve code quality and enforces Python coding standards. The changes address 45 linting violations by removing unused imports, fixing f-string formatting issues, correcting comparison operations, and organizing imports alphabetically.

• Adds Ruff configuration to pyproject.toml with Python 3.7 target and specific exclusions
• Fixes f-string violations by removing unnecessary f-string prefixes where no placeholders are used
• Removes unused imports and reorganizes remaining imports alphabetically

Reviewed Changes

Copilot reviewed 21 out of 21 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
setup.py	Adds ruff to dev dependencies and reformats extras_require for better readability
pyproject.toml	Configures Ruff linter with target version, exclusions, and ignored rules
Tests/Utils_test.py	Reorganizes imports alphabetically and removes unused imports
Tests/SecurityService_test.py	Removes unused import case_and_space_insensitive_equals
Tests/ManageService_test.py	Removes unused imports random, string, and skip_if_version_lower_than
Tests/CellService_test.py	Fixes f-string formatting by removing unnecessary f prefixes
TM1py/init.py	Removes unused JobService import
TM1py/Utils/MDXUtils.py	Fixes f-string formatting in deprecation warnings
TM1py/Services/init.py	Removes unused GitService import
TM1py/Services/UserService.py	Removes unused deprecated_in_version import
TM1py/Services/SubsetService.py	Fixes f-string formatting in error message
TM1py/Services/ServerService.py	Removes unused pytz import
TM1py/Services/SandboxService.py	Removes unused imports Iterable and TM1pyRestException
TM1py/Services/RestService.py	Fixes f-string formatting in warning message
TM1py/Services/ProcessService.py	Reorganizes imports alphabetically and fixes formatting issues
TM1py/Services/LoggerService.py	Fixes f-string formatting in URL assignments
TM1py/Services/HierarchyService.py	Fixes f-string formatting in error message
TM1py/Services/ElementService.py	Removes unused import and fixes f-string formatting
TM1py/Services/CellService.py	Reorganizes imports alphabetically and fixes various formatting issues
TM1py/Objects/ChoreStartTime.py	Replaces lambda with proper function definition
TM1py/Objects/Application.py	Fixes f-string formatting in deprecation warning

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[github-actions]

Tests completed for environment: tm1-11-cloud. Check artifacts for details.