Bump celery from 5.0.5 to 5.2.7 in /backend

[dependabot]

Bumps celery from 5.0.5 to 5.2.7.

Release notes

Sourced from celery's releases.

5.2.7

Release date: 2022-5-26 12:15 P.M UTC+2:00

Release by: Omer Katz

• Fix packaging issue which causes poetry 1.2b1 and above to fail install Celery (#7534).

5.2.6

Release date: 2022-4-04 21:15 P.M UTC+2:00

Release by: Omer Katz

load_extension_class_names - correct module_name ([#7433](https://github.com/celery/celery/issues/7433)).
:   This fixes a regression caused by #7218.

5.2.5

Release date: 2022-4-03 20:42 P.M UTC+2:00

Release by: Omer Katz

This release was yanked due to a regression caused by the PR below

• Use importlib instead of deprecated pkg_resources (#7218).

5.2.4

Release date: 2022-4-03 20:30 P.M UTC+2:00

Release by: Omer Katz

• Expose more debugging information when receiving unknown tasks (#7404).

v5.2.3

Release date: 2021-12-29 12:00 P.M UTC+6:00

Release by: Asif Saif Uddin

• Allow redis >= 4.0.2.
• Upgrade minimum required pymongo version to 3.11.1.
• tested pypy3.8 beta (#6998).
• Split Signature.__or__ into subclasses' __or__ (#7135).
• Prevent duplication in event loop on Consumer restart.
• Restrict setuptools>=59.1.1,<59.7.0.
• Kombu bumped to v5.2.3
• py-amqp bumped to v5.0.9
• Some docs & CI improvements.

... (truncated)

Changelog

Sourced from celery's changelog.

5.2.7

:release-date: 2022-5-26 12:15 P.M UTC+2:00 :release-by: Omer Katz

• Fix packaging issue which causes poetry 1.2b1 and above to fail install Celery (#7534).

.. _version-5.2.6:

5.2.6

:release-date: 2022-4-04 21:15 P.M UTC+2:00 :release-by: Omer Katz

• load_extension_class_names - correct module_name (#7433). This fixes a regression caused by #7218.

.. _version-5.2.5:

5.2.5

:release-date: 2022-4-03 20:42 P.M UTC+2:00 :release-by: Omer Katz

This release was yanked due to a regression caused by the PR below

• Use importlib instead of deprecated pkg_resources (#7218).

.. _version-5.2.4:

5.2.4

:release-date: 2022-4-03 20:30 P.M UTC+2:00 :release-by: Omer Katz

• Expose more debugging information when receiving unknown tasks (#7404).

.. _version-5.2.3:

5.2.3

:release-date: 2021-12-29 12:00 P.M UTC+6:00 :release-by: Asif Saif Uddin

• Allow redis >= 4.0.2.

... (truncated)

Commits

• d2aad4c Bump version: 5.2.6 → 5.2.7
• 66c3122 Updated the changelog.
• 34b99fc Update setup.py (#7534)
• 7dfc1fd Bump version: 5.2.5 → 5.2.6
• 7ff7071 Revert "Bump version: 5.2.5 → 5.2.6"
• 1a515c5 Revert update to .bumpversion.cfg
• 174b00c Update PR number in changelog.
• 8661e12 Backport 7406 (#7433)
• 272b534 Bump version: 5.2.5 → 5.2.6
• e3f9f6a Bump version: 5.2.4 → 5.2.5
• Additional commits viewable in compare view

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