Tinyaes

What's Changed
* actions: bump to RalfG/python-wheels-manylinux-buildv0.3.4-manylinux2010 by naufraghi in https://github.com/naufraghi/tinyaes-py/pull/23
* Add python 3.10 support by naufraghi in https://github.com/naufraghi/tinyaes-py/pull/21
* Bump submodule tiny-AES-c by naufraghi in https://github.com/naufraghi/tinyaes-py/pull/26
* version bump 1.0.3rc2 by naufraghi in https://github.com/naufraghi/tinyaes-py/pull/27
* Bump version 1.0.3 final by naufraghi in https://github.com/naufraghi/tinyaes-py/pull/28


**Full Changelog**: https://github.com/naufraghi/tinyaes-py/compare/v1.0.2...v1.0.3

What's Changed
* actions: bump to RalfG/python-wheels-manylinux-buildv0.3.4-manylinux2010 by naufraghi in https://github.com/naufraghi/tinyaes-py/pull/23
* Add python 3.10 support by naufraghi in https://github.com/naufraghi/tinyaes-py/pull/21
* Bump submodule tiny-AES-c by naufraghi in https://github.com/naufraghi/tinyaes-py/pull/26
* version bump 1.0.3rc2 by naufraghi in https://github.com/naufraghi/tinyaes-py/pull/27


**Full Changelog**: https://github.com/naufraghi/tinyaes-py/compare/v1.0.2...v1.0.3rc2

Add Python 3.10 to the matrix

- bump publish action version and manylinux image to 2021
- drop support for 2.7 that seems to be missing in the newer image

- bump Linux deploy version and base image

- added release Python 3.9 on Windows, Linux (`manylinux1`) and OSX
- updated upstream [`tiny-AES-c`](https://github.com/kokke/tiny-AES-c) with some cleanups and small optimizations