Matrix-common

What's Changed
* Drop support for Python 3.6, which went end-of-life December 2021 by anoadragon453 in https://github.com/matrix-org/matrix-python-common/pull/28
* Configure setuptools to automatically discover new modules under
`src/matrix_common` by anoadragon453 in https://github.com/matrix-org/matrix-python-common/pull/27
* Add a `MXCUri` class for representing Matrix media uri's by anoadragon453 in https://github.com/matrix-org/matrix-python-common/pull/29

**Full Changelog**: https://github.com/matrix-org/matrix-python-common/compare/v1.2.1...v1.3.0

What's Changed
* Use `os.path.dirname` like the docstring suggests by DMRobertson in https://github.com/matrix-org/matrix-python-common/pull/26


**Full Changelog**: https://github.com/matrix-org/matrix-python-common/compare/v1.2.0...v1.2.1

What's Changed
* Remove usedevelop from tox.ini by V02460 in https://github.com/matrix-org/matrix-python-common/pull/18
* Move to src layout by V02460 in https://github.com/matrix-org/matrix-python-common/pull/23
* Add CONTRIBUTING.md by squahtx in https://github.com/matrix-org/matrix-python-common/pull/24
* Optionally allow a cwd for get_distribution_version_string by DMRobertson in https://github.com/matrix-org/matrix-python-common/pull/25


**Full Changelog**: https://github.com/matrix-org/matrix-python-common/compare/v1.1.0...v1.2.0

Port `get_version_string` from Synapse.

* Port `glob_to_regex` and `to_word_pattern` from Synapse.