Add CI pipeline for variant 5

pyproject.toml

@@ -0,0 +1,31 @@
+[tool.poetry]
+name = "ci-lab-variant-5"
+version = "0.1.0"
+description = "CI laboratory work: Python, ruff, pytest-cov, poetry build"
+authors = ["Student <student@example.com>"]
+readme = "README.md"
+packages = [{ include = "ci_lab" }]
+
+[tool.poetry.dependencies]
+python = "^3.11"
+
+[tool.poetry.group.dev.dependencies]
+ruff = ">=0.8,<1.0"
+pytest = ">=8.0,<9.0"
+pytest-cov = ">=6.0,<8.0"
+
+[build-system]
+requires = ["poetry-core>=1.9.0"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.ruff]
+line-length = 88
+target-version = "py311"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "B"]
+ignore = []
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+addopts = "--cov=ci_lab --cov-report=term-missing --cov-fail-under=80"