chore(deps): update dependency pytest-cov to v4

poetry.lock

@@ -120,7 +120,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
 name = "coverage"
-version = "6.4.2"
+version = "6.4.4"
 description = "Code coverage measurement for Python"
 category = "dev"
 optional = false
@@ -254,8 +254,8 @@ optional = false
 python-versions = ">=3.7"
 
 [package.extras]
-test = ["pytest", "pytest-trio", "pytest-asyncio (>=0.17)", "testpath", "trio", "async-timeout"]
-trio = ["trio", "async-generator"]
+trio = ["async-generator", "trio"]
+test = ["async-timeout", "trio", "testpath", "pytest-asyncio (>=0.17)", "pytest-trio", "pytest"]
 
 [[package]]
 name = "keyring"
@@ -380,8 +380,8 @@ optional = false
 python-versions = ">=3.6"
 
 [package.extras]
-dev = ["pre-commit", "tox"]
-testing = ["pytest", "pytest-benchmark"]
+testing = ["pytest-benchmark", "pytest"]
+dev = ["tox", "pre-commit"]
 
 [[package]]
 name = "py"
@@ -457,7 +457,7 @@ testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.
 
 [[package]]
 name = "pytest-cov"
-version = "3.0.0"
+version = "4.0.0"
 description = "Pytest plugin for measuring coverage."
 category = "dev"
 optional = false
@@ -736,7 +736,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8,<3.10"
-content-hash = "1e52cabf54af905e05d979683b28779e59690cf38ad4f805dbbf455b19d0a337"
+content-hash = "e35d1a59355989fe327643c99f6789b5c5c9e4aa9e60932c5114641211d750c8"
 
 [metadata.files]
 atomicwrites = []

pyproject.toml

@@ -13,7 +13,7 @@ scipy = "1.8.0"
 [tool.poetry.dev-dependencies]
 pytest = ">=6"
 flake8 = "^4.0.1"
-pytest-cov = "^3.0.0"
+pytest-cov = "^4.0.0"
 mypy = "^0.971"
 python-semantic-release = "^7.24.0"
 black = "^22.3.0"