Log Message:
py-jaraco.context: update to 5.3.0.

v5.3.0
======

Features
--------

- Deprecate infer_compression, as it was used primarily for deferring to the tar \ 
command.

Bugfixes
--------

- Enable 'transparent' compression in the tarfile context.

v5.2.0
======

Features
--------

- Implemented tarfile using native functionality and avoiding subprocessing, \ 
making it portable. (#5)

v5.1.0
======

Features
--------

- Implement experimental _compose for composing context managers. If you wish to \ 
use this function, please comment in the issue regarding your thoughts on the \ 
ordering. (#6)
- Deprecate null context. (#7)

v5.0.0
======

Features
--------

- Renamed tarball_context to tarball and deprecated tarball_context \ 
compatibility shim. (#3)
- Disentangle pushd from tarball. (#4)

Deprecations and Removals
-------------------------

- Removed deprecated 'runner' parameter to tarball_context.