Remove outdated comments in Dockerfile (JessicaTegner#363)

Some comments were made obsolete by JessicaTegner@66f2427

The comment about Debian Bullseye was also outdated, since the python:3.12 image uses Debian Bookworm.

Added optional stdout decoding (JessicaTegner#351)

Change when we do source file verification (JessicaTegner#344)
pass path to _get_pandoc_version() on windows correctly (JessicaTegner#345)
Updated CI to produce arm builds off pypandoc_binary (JessicaTegner#356)
Updated docker file to use python 3.12x, and therefore fixed python c… (JessicaTegner#357)
Removed support for python 3.6 in CI environment
Other various small CI/CD improvements and workflow maintenance

pypandoc v1.12.post318

Added python 3.12 support (JessicaTegner#346)

make meaningless encoding parameter from convert_file method deprecated (JessicaTegner#340)
Update Dockerfile to use Python 3.9 (JessicaTegner#334)
Updated python versions for testing (JessicaTegner#341)
Fix validate_formats to accept Path object for pdf (JessicaTegner#338)
docs: fix typos (JessicaTegner#330)
Tests fixes (JessicaTegner#328)

This pypandoc version fixes a few issues and comes with a few improve…

…ments.

We also test, and support python 3.11

* Change sandbox to be False by default JessicaTegner#316

* added more logging when converting JessicaTegner#326
* fixed not setting root log level. JessicaTegner#326
* added python 3.11 support JessicaTegner#325 JessicaTegner#324

This release includes the new prebuild wheels for linux with pandoc i…

…ncluded.

        We also now support a new variant of linux "aarch".
        In addition, we now also have a development version, build from the latest sourse code.

        * Added "aarch" type check JessicaTegner#303
        * ci: Use cibuildwheel to build wheels JessicaTegner#309
        * Sort files before proc fixes JessicaTegner#292 JessicaTegner#301
        * refact: use fstring in pandoc_download.py JessicaTegner#307
        * Updated pandoc-citeproc handling after downloading JessicaTegner#311
        * Fixes test cases that uses python, while only python3 is available: Fixes JessicaTegner#276 JessicaTegner#302

        Enjoy

This release fixes a critical error where pandoc couldn't be download…

…ed from the GitHub releases, due to a change in how GitHub loads their release page.

Other than that, there's some improvements to how we test pypandoc in the future.

* JessicaTegner#296 JessicaTegner#295 - JessicaTegner#298
* Improved all CI workflow to run on GitHub Action JessicaTegner#297

updated workflow v5

Version 1.8

* Removed Unnecessary files included with pip install (JessicaTegner#274)
* Handle pandoc logging returning two unknown log levels (JessicaTegner#272)
* Fixed JessicaTegner#269 - classify_pandoc_logging improvements
* REL: Officially drop python2.7 support (JessicaTegner#263)
* Made it possible to pass multiple files to pandoc (JessicaTegner#259)
* Python Type Hints implementation (JessicaTegner#258)
* Removed deprecated code (JessicaTegner#257)

This is the last version of PyPandoc to support Python2.

In addition, this also fixes a critial error on Python2, where FileNotFoundError wasn't found due to being a py3 name

Thanks to @scottclowe for fixing this