python3: upgrade 3.8.8 -> 3.8.9

python3: upgrade 3.8.8 -> 3.8.9

Release Date: April 2, 2021

Note: The release you're looking at is Python 3.8.9, a bugfix release for the
legacy 3.8 series. Python 3.9 is now the latest feature release series of
Python 3.

* Refresh test_local.py patch for upstream changes
* Add DEPENDS on autoconf-archive:
  - bpo-43617: Improve configure.ac: Check for presence of autoconf-archive
    package and remove our copies of M4 macros.

References:
https://www.python.org/downloads/release/python-389/
https://docs.python.org/release/3.8.9/whatsnew/changelog.html#python-3-8-9
https://bugs.python.org/issue43617

Signed-off-by: Tim Orling <timothy.t.orling@intel.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>