Update dependencies

setup.cfg

@@ -42,9 +42,9 @@ package_dir =
 zip_safe = True
 python_requires = >=3.7
 install_requires =
-    tox >= 4.0.0b2, <5
+    tox >= 4, <5
 setup_requires =
-    setuptools_scm[toml] >=6, <7
+    setuptools_scm[toml] >=7, <8
 
 [options.packages.find]
 where = src
@@ -57,11 +57,10 @@ tox =
 testing =
     black; platform_python_implementation=='CPython'
     devpi-process
-    flake8 >=3, <4
+    flake8 >=6, <7
     mypy; platform_python_implementation=='CPython'
-    # Needs pytest 6.2.5 or later for Python 3.10 support
-    pytest >=6.2.5, <7
-    pytest-cov >=2, <3
+    pytest >=7, <8
+    pytest-cov >=3, <4
     pytest-mock >=3, <4
     pytest-randomly >=3