Update flake8 and pylint

Author: Cito

setup.py

@@ -22,7 +22,7 @@
     'Pygments>=2.7,<3', 'Pillow>=8,<9'
 ]
 requireTests = [
-    'psutil>=5.8,<6', 'flake8>=3.9,<4', 'pylint>=2.8,<3', 'tox>=3.23,<4',
+    'psutil>=5.8,<6', 'flake8>=4,<5', 'pylint>=2.12,<3', 'tox>=3.23,<4',
     'pywin32>=300,<400;'
     'sys_platform=="win32" and implementation_name=="cpython"'
 ] + requireDev + requireDocs + requireExamples

tox.ini

@@ -3,13 +3,13 @@ envlist = py{36,37,38,39,310}, pypy3, flake8, pylint, docs, manifest
 
 [testenv:flake8]
 basepython = python3.9
-deps = flake8>=3.9,<4
+deps = flake8>=4,<5
 commands =
     flake8 webware setup.py
 
 [testenv:pylint]
 basepython = python3.9
-deps = pylint>=2.8,<3
+deps = pylint>=2.12,<3
 commands =
     pylint webware