chore(deps): bump the python-minor-patch group in /backend with 4 updates

[dependabot]

Bumps the python-minor-patch group in /backend with 4 updates: flask, flask-socketio, greenlet and werkzeug.

Updates flask from 3.1.2 to 3.1.3

Release notes

Sourced from flask's releases.

3.1.3

This is the Flask 3.1.3 security fix release, which fixes a security issue but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.

PyPI: https://pypi.org/project/Flask/3.1.3/ Changes: https://flask.palletsprojects.com/page/changes/#version-3-1-3

• The session is marked as accessed for operations that only access the keys but not the values, such as in and len. GHSA-68rp-wp8r-4726

Changelog

Sourced from flask's changelog.

Version 3.1.3

Released 2026-02-18

• The session is marked as accessed for operations that only access the keys but not the values, such as in and len. :ghsa:68rp-wp8r-4726

Commits

• 22d9247 release version 3.1.3
• 089cb86 Merge commit from fork
• c17f379 request context tracks session access
• 27be933 start version 3.1.3
• 4e652d3 Abort if the instance folder cannot be created (#5903)
• 3d03098 Abort if the instance folder cannot be created
• 407eb76 document using gevent for async (#5900)
• ac5664d document using gevent for async
• 4f79d5b Increase required flit_core version to 3.11 (#5865)
• fe3b215 Increase required flit_core version to 3.11
• Additional commits viewable in compare view

Updates flask-socketio from 5.6.0 to 5.6.1

Release notes

Sourced from flask-socketio's releases.

Release 5.6.1

See CHANGES.md for release notes.

Changelog

Sourced from flask-socketio's changelog.

Flask-SocketIO change log

Release 5.6.1 - 2026-02-21

• Session fixes for Flask >= 3.1.3 #2153 (commit)
• Update SocketIO constructor documentation #2151 (commit)
• Switch to the Furo documentation template (commit)

Release 5.6.0 - 2025-12-25

• Use Flask test client's own environ dict if it is available #2142 (commit)
• Add Python 3.13, 3.14 and pypy-3.11 to CI builds, drop 3.8 and 3.9 (commit)
• Documentation: Added an example using the init_app() method #2110 (commit)

Release 5.5.1 - 2025-01-06

• Updated version of python-socketio dependency #2128 (commit) (thanks Okke Harsta!)

Release 5.5.0 - 2024-12-18

• Add a reason argument to the disconnect handler (commit)
• Upgrade the code to more recent Python versions ([commit #1](miguelgrinberg/Flask-SocketIO@6a6734f) [commit #2](miguelgrinberg/Flask-SocketIO@c3667e8))
• Remove misleading warning about use of gevent-websocket in the documentation #2122 (commit)
• fix typo in deployment documentation #2119 (commit) (thanks Maximilien Tirard!)

Release 5.4.1 - 2024-10-01

• Removed a debugging statement (commit)

Release 5.4.0 - 2024-09-30

• Support catch-all events with socketio.on('*') #2095 (commit)

Release 5.3.7 - 2024-09-02

• Prevent crash when client sends empty event (commit)
• Handle events with catch-all namespace #2061 (commit)
• Add unit test for background tasks (commit)
• Drop Python 3.7, add Python 3.12, upgrade to pypy 3.10 (commit)

Release 5.3.6 - 2023-09-05

• Fixes in the test client to support recent changes in Socket.IO dependencies #2006 (commit)

Release 5.3.5 - 2023-07-26

• Prevent allow_unsafe_werkzeug option from being passed to web servers #2001 (commit)

Release 5.3.4 - 2023-05-03

... (truncated)

Commits

• 9e18242 Release 5.6.1
• 1f547c4 Update SocketIO constructor documentation (Fixes #2151)
• ece8afc Switch to Furo documentation template
• 956f8f2 Session fixes for Flask >= 3.1.3 (#2153)
• 325c2d4 Version 5.6.1.dev0
• See full diff in compare view

Updates greenlet from 3.3.1 to 3.3.2

Changelog

Sourced from greenlet's changelog.

3.3.2 (2026-02-20)

• Fix a crash on Python 3.10 if there are active greenlets during interpreter shutdown. See PR 495 <https://github.com/python-greenlet/greenlet/pull/495>_ by Nicolas Bouvrette.

Commits

• a62f331 Preparing release 3.3.2
• c73a2c6 Pull in change note for 3.2.5
• 4eb47c8 test_untracked_memory_doesnt_increase_unfinished_thread_dealloc_in_main: A ch...
• 53ac405 Add change note for #495
• d5b8515 Merge pull request #495 from nbouvrette/fix/safe-finalization-py310
• e0625d7 Merge pull request #494 from daniel7an/fix/issue-492-spdx-license
• 292e126 Fix SIGSEGV/SIGABRT during interpreter shutdown on Python < 3.11
• 77e65f0 Fix SPDX license identifier: Python-2.0 → PSF-2.0
• d4606ef leak tests: do a better job skipping if uss isn't available. Fixes #485
• 74a11b8 Back to development: 3.3.2
• See full diff in compare view

Updates werkzeug from 3.1.5 to 3.1.6

Release notes

Sourced from werkzeug's releases.

3.1.6

This is the Werkzeug 3.1.6 security fix release, which fixes a security issue but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.

PyPI: https://pypi.org/project/Werkzeug/3.1.6/ Changes: https://werkzeug.palletsprojects.com/page/changes/#version-3-1-6

• safe_join on Windows does not allow special devices names in multi-segment paths. GHSA-29vq-49wr-vm6x

Changelog

Sourced from werkzeug's changelog.

Version 3.1.6

Released 2026-02-19

• safe_join on Windows does not allow special devices names in multi-segment paths. :ghsa:29vq-49wr-vm6x

Commits

• 04da1b5 release version 3.1.6
• f407712 Merge commit from fork
• f54fe98 safe_join prevents Windows special device names in multi-segment paths
• d005985 start version 3.1.6
• 8565c2c document rule priority (#3102)
• 3febc7e document rule priority
• 2525b82 remove state machine docs
• 4abfbd5 rewrite build docstring (#3097)
• 161c18b rewrite build docstring
• 86e11c2 release version 3.1.5 (#3085)
• See full diff in compare view

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