Bump django-compressor from 2.2 to 2.3

[dependabot-preview]

Bumps django-compressor from 2.2 to 2.3.

Changelog

Sourced from django-compressor's changelog.

v2.3 (2019-06-31)

Full Changelog <https://github.com/django-compressor/django-compressor/compare/2.2...2.3>_

• Drop support for Django 1.8, 1.9 and 1.10
• Add support for Django 2.1 and 2.2, as well as Python 3.7
• Update all dependencies. This required minor code changes, you might need to update some optional dependencies if you use any
• Allow the mixed use of JS/CSS in Sekizai's templatetags {% addtoblock "js" %} and {% addtoblock "css" %} (#891)
• Allow the implementation of new types other than css and js. (#900)
• Update jinja2 extension to behave similar to the django tag (#899)
• Fix crash in offline compression when child nodelist is None, again (#605)
• Support STATIC_URL and COMPRESS_URL being string-like objects
• Improve compress command memory usage (#870)
• Ensure generated file always contains a base name (#775)
• Add BrotliCompressorFileStorage (#867)

Commits

• 070aa8f Release v2.3
• cf7ef7b Add support for Django 2.2, dropping 2.0 (#941)
• 553d1dd Add changelog for v2.3
• 9d156f4 Upgrade rJSmin to 1.1.0 (#936)
• 8a4008d Update classifiers of the package (#937)
• 1a4c21b Solves the issue 932 (#934)
• d7af11f Return Python 3.4 to the list of package classifiers
• 4cea89a Update classifiers of the package
• 5ac34eb Fix Pip Install command, fixes #907 (#923)
• 9659188 Merge pull request #922 from karyon/version_update
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #71.