Bump flake8 to version 7 (#510)

pyproject.toml

@@ -28,22 +28,22 @@ Homepage = "https://github.com/python-lsp/python-lsp-server"
 [project.optional-dependencies]
 all = [
     "autopep8>=2.0.4,<2.1.0",
-    "flake8>=6.1.0,<7",
+    "flake8>=7,<8",
     "mccabe>=0.7.0,<0.8.0",
     "pycodestyle>=2.11.0,<2.12.0",
     "pydocstyle>=6.3.0,<6.4.0",
-    "pyflakes>=3.1.0,<3.2.0",
+    "pyflakes>=3.2.0,<3.3.0",
     "pylint>=2.5.0,<3.1",
     "rope>=1.11.0",
     "yapf>=0.33.0",
     "whatthepatch>=1.0.2,<2.0.0"
 ]
 autopep8 = ["autopep8>=1.6.0,<2.1.0"]
-flake8 = ["flake8>=6.1.0,<7"]
+flake8 = ["flake8>=7,<8"]
 mccabe = ["mccabe>=0.7.0,<0.8.0"]
 pycodestyle = ["pycodestyle>=2.11.0,<2.12.0"]
 pydocstyle = ["pydocstyle>=6.3.0,<6.4.0"]
-pyflakes = ["pyflakes>=3.1.0,<3.2.0"]
+pyflakes = ["pyflakes>=3.2.0,<3.3.0"]
 pylint = ["pylint>=2.5.0,<3.1"]
 rope = ["rope>=1.11.0"]
 yapf = ["yapf>=0.33.0", "whatthepatch>=1.0.2,<2.0.0"]