Bump django-cacheops from 4.0.6 to 5.0 in /cvat/requirements

[dependabot-preview]

Bumps django-cacheops from 4.0.6 to 5.0.

Changelog

Sourced from django-cacheops's changelog.

5.0

• support Python 3.8 and Django 3.0 (thx to Misha Kalyna)
• improve model fields stamping (Alex Lokhman)
• disabled postponed invalidation when no_invalidation is applied (Vladimir)
• fixed custom manager derived from BaseManager (Eric Plaster) Backwards incompatible changes:
• dropped Python 2.7 and Djangos before 2.1
• Redis 4.0+ required

4.2

• support Django 2.1 and 2.2
• added keep_fresh option to @cached_as (George Lee)
• pass CACHEOPS_SENTINEL options through (David Fuentes Baldomir)
• made SKIP_FIELDS and LONG_DISJUCTION configurable (Nic Wolff)
• fixed .aggregate() over .annotate() fields in Django 2.2
• fixed .bulk_create() in Django 2.2 (Grzegorz Szczepanczyk)
• fixed test database to work in environments without /dev/shm (George Lee)
• fixed proxy/abstract model bug
• added test case for issue #312 (Andy Tzeng)
• some warnings and doc-strings improvements

4.1

• use UNLINK instead of DEL when available, use Redis 4.0+ for that
• request m2m objects for invalidation using correct db
• fixed caching counts, aggregates and exists in writes, dirty transactions and while cacheops is disabled
• fixed various multidb/invalidation issues (Svan70)
• fixed db in .invalidated_update()
• fixed possible key disrepancy in cache_on_save with multidb
• fixed jinja2 support in Python 3
• documented CACHEOPS_CLIENT_CLASS

4.0.7

• fixed RawSQL() and Subquery() (thx to thakryptex)
• made the Redis client class configurable (Nic Wolff)
• package is now also distributed as a universal wheel (Jon Dufresne)

Commits

• 5a7f63b Up to 5.0
• 12f61b3 Drop redis prior to 4.0 support
• 035e59c Fix some README grammar and typos
• bde50ab Remove empty lines
• b5dc9e0 Add test
• 3cc4368 Use field deconstruct
• 277f454 db_column can be None
• 59daa06 Use class name
• b59406a Update years
• 19c36b2 Drop Python 2.7 and Djangos before 2.1
• Additional commits viewable in compare view

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[coveralls]

Pull Request Test Coverage Report for Build 5716

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.009%) to 65.789%

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Totals
Change from base Build 5702:	0.009%
Covered Lines:	10920
Relevant Lines:	16203

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💛 - Coveralls