⬆ Upgrade version pin accepted for Flake8, for internal code, to `fla…

…ke8 >=3.8.3,<6.0.0` (#4097)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

pyproject.toml

@@ -49,7 +49,7 @@ test = [
     "pytest >=6.2.4,<7.0.0",
     "pytest-cov >=2.12.0,<4.0.0",
     "mypy ==0.910",
-    "flake8 >=3.8.3,<4.0.0",
+    "flake8 >=3.8.3,<6.0.0",
     "black == 22.3.0",
     "isort >=5.0.6,<6.0.0",
     "requests >=2.24.0,<3.0.0",
@@ -83,7 +83,7 @@ dev = [
     "python-jose[cryptography] >=3.3.0,<4.0.0",
     "passlib[bcrypt] >=1.7.2,<2.0.0",
     "autoflake >=1.4.0,<2.0.0",
-    "flake8 >=3.8.3,<4.0.0",
+    "flake8 >=3.8.3,<6.0.0",
     "uvicorn[standard] >=0.12.0,<0.18.0",
     "pre-commit >=2.17.0,<3.0.0",
 ]