sip-build support for Python 3.10?

[Scott Talbert]

On Sun, 13 Jun 2021, Scott Talbert wrote:

> Hi,
>
> Do you plan to support in sip for Python 3.10?
>
> I'm getting:
> sip-build: Python v3.10 is not supported
>
> when trying to build PyQt5 with sip 6.1.0 using Python 3.10.

Looks like there isn't much to do to "support" Python 3.10 as far as I can 
see.  I patched sipbuild/py_versions.py and everything seemed to build 
just fine with Python 3.10.

Scott