Bump typed_ast max dependency (python#11531)

Author: srittau

mypy-requirements.txt

@@ -1,4 +1,4 @@
 typing_extensions>=3.7.4
 mypy_extensions>=0.4.3,<0.5.0
-typed_ast>=1.4.0,<1.5.0; python_version<'3.8'
+typed_ast>=1.4.0,<2; python_version<'3.8'
 tomli>=1.1.0,<1.2.0

setup.py

@@ -190,13 +190,13 @@ def run(self):
       classifiers=classifiers,
       cmdclass=cmdclass,
       # When changing this, also update mypy-requirements.txt.
-      install_requires=["typed_ast >= 1.4.0, < 1.5.0; python_version<'3.8'",
+      install_requires=["typed_ast >= 1.4.0, < 2; python_version<'3.8'",
                         'typing_extensions>=3.7.4',
                         'mypy_extensions >= 0.4.3, < 0.5.0',
                         'tomli>=1.1.0,<1.2.0',
                         ],
       # Same here.
-      extras_require={'dmypy': 'psutil >= 4.0', 'python2': 'typed_ast >= 1.4.0, < 1.5.0'},
+      extras_require={'dmypy': 'psutil >= 4.0', 'python2': 'typed_ast >= 1.4.0, < 2'},
       python_requires=">=3.6",
       include_package_data=True,
       project_urls={

test-requirements.txt

@@ -11,7 +11,7 @@ pytest-xdist>=1.34.0,<2.0.0
 pytest-forked>=1.3.0,<2.0.0
 pytest-cov>=2.10.0,<3.0.0
 py>=1.5.2
-typed_ast>=1.4.0,<1.5.0; python_version>='3.8'
+typed_ast>=1.4.0,<2; python_version>='3.8'
 virtualenv>=20.6.0
 setuptools!=50
 importlib-metadata>=4.6.1,<5.0.0