Bump django-extensions from 2.2.5 to 2.2.6

[dependabot-preview[bot]]

Bumps django-extensions from 2.2.5 to 2.2.6.

Changelog

Sourced from django-extensions's changelog.

2.2.6

Changes:

• Improvement: travis, update pypy and pypy3 versions
• Improvement: shell_plus, ability to print location/traceback besides sql
• Improvement: runserver_plus, ability to print location/traceback besides sql
• Improvement: UniqueFieldMixin, Support Django 2.2 UniqueConstraint.condition
• Improvement: DEFAULT_MYSQL_ENGINES, add mysql.connector.django
• Improvement: shell_plus, allow setting SHELL_PLUS="notebook"
• Improvement: shell_plus, add -c/--command to shell_plus mirroring django's shell command
• Fix: shell_plus, fix postgresql debug wrapper on django 3.0 or higher
• Fix: runserver_plus, fix postgresql debug wrapper on django 3.0 or higher

Commits

• cf531c8 update CHANGELOG
• d89c366 use the same monkeypatching code for shell_plus and runserver_plus
• 42e781e only patch postgresql debug wrapper on django 3.0 or higher
• e3ec454 also patch postgresql's version of CursorDebugWrapper
• 9e61539 be less picky out whitespace
• 44e42a5 use regex for test to be database independent
• 3b4a469 put back things we moneypatched in shell_plus
• b55e847 remove useless whitespace
• d99748b test for --print-sql
• 608a0d3 add -c/--command to shell_plus mirroring django's shell command
• Additional commits viewable in compare view

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