Changed version of typed-ast to fix issue on Appveyor on Python 3.4

Details:

* Building the wheel for typed-ast fails with an error that was already
  reported to typed-ast as python/typed_ast#121
  but was decided not to be fixed because the error only showed up on
  Python 3.4 (or only with MSVC 10.0 ?).

  This fix pins the version of typed-ast to <1.4.0 on Python 3.4.

* In addition, typed-ast was missing completely so far from the requirements
  and constraints files, and was added with a minimum version of 1.3.0.

* For Python 3.8 and higher, defined typed-ast verion 1.4.0 as the minimum,
  see issue python/typed_ast#126

Signed-off-by: Andreas Maier <andreas.r.maier@gmx.de>

new_{{ cookiecutter.github_repo }}/dev-requirements.txt

@@ -53,6 +53,9 @@ pylint>=2.4.4; python_version >= '3.5'
 astroid>=1.4.9,<2.0.0; python_version == '2.7'
 astroid>=2.1.0,<2.3; python_version == '3.4'
 astroid>=2.3.3; python_version >= '3.5'
+typed-ast>=1.3.0,<1.4.0; implementation_name == "cpython" and python_version == '3.4'
+typed-ast>=1.3.0; implementation_name == "cpython" and python_version >= '3.5' and python_version < '3.8'
+typed-ast>=1.4.0; implementation_name == "cpython" and python_version >= '3.8'
 
 # Flake8 (no imports, invoked via flake8 script):
 flake8>=3.7.0

new_{{ cookiecutter.github_repo }}/minimum-constraints.txt

@@ -102,6 +102,8 @@ pylint==2.4.4; python_version >= '3.5'
 astroid==1.4.9; python_version == '2.7'
 astroid==2.1.0; python_version == '3.4'
 astroid==2.3.3; python_version >= '3.5'
+typed-ast==1.3.0; implementation_name == "cpython" and python_version >= '3.4' and python_version < '3.8'
+typed-ast==1.4.0; implementation_name == "cpython" and python_version >= '3.8'
 
 # Flake8 and dependents (no imports, invoked via flake8 script):
 flake8==3.7.0