chore(deps): Update secretstorage requirement from >=3.3.3 to >=3.5.0 in /apps/backend

[dependabot]

Updates the requirements on secretstorage to permit the latest version.

Changelog

Sourced from secretstorage's changelog.

SecretStorage 3.5.0, 2025-11-23

• Added timeout argument to the unlock() methods of Collection and Item [[#33](https://github.com/mitya57/secretstorage/issues/33)_].
• Removed int_to_bytes() function in favor of the built-in method.

.. _[#33](https://github.com/mitya57/secretstorage/issues/33): mitya57/secretstorage#33

SecretStorage 3.4.1, 2025-11-11

• Make sure public key length is exactly 128 bytes [[#48](https://github.com/mitya57/secretstorage/issues/48)_]. This fixes Client public key size is invalid error from KWallet.

.. _[#48](https://github.com/mitya57/secretstorage/issues/48): mitya57/secretstorage#48

SecretStorage 3.4.0, 2025-09-09

• Handle D-Bus UnknownObject error when no collection is found [[#43](https://github.com/mitya57/secretstorage/issues/43)_]. Thanks to Renato Alencar for the pull request!
• Added __repr__ methods to Collection and Item classes [[#47](https://github.com/mitya57/secretstorage/issues/47)_].
• Moved project metadata to pyproject.toml.
• Python ≥ 3.10 and setuptools ≥ 77.0 are now required.
• Various code modernizations. Thanks to Hugo van Kemenade and Tomasz Kłoczko for the pull requests!

.. _[#43](https://github.com/mitya57/secretstorage/issues/43): mitya57/secretstorage#43 .. _[#47](https://github.com/mitya57/secretstorage/issues/47): mitya57/secretstorage#47

SecretStorage 3.3.3, 2022-08-13

• Handle case when CreateItem method returns a prompt [[#39](https://github.com/mitya57/secretstorage/issues/39)_].
• Reformatted code in accordance with :PEP:8 standard.

.. _[#39](https://github.com/mitya57/secretstorage/issues/39): mitya57/secretstorage#39

SecretStorage 3.3.2, 2022-04-19

• Fixed a deprecation warning with jeepney 0.8. Thanks to Sam McKelvie for the pull request!

SecretStorage 3.3.1, 2021-02-09

• Fixed a deprecation warning from cryptography module. Thanks to Jante Jomppanen for the pull request!

... (truncated)

Commits

• 3a3c006 Releasing version 3.5.0
• fed7361 docs: Replace broken KeePassXC link with a working one
• a97aa4b Update copyright years, again
• d8d1ea0 Add timeout argument to unlock() methods
• 2db9b67 util: Correct documentation for the exec_prompt() function
• cc1e18d Get rid of int_to_bytes() function
• d036431 Releasing version 3.4.1
• d583dc6 Run the tests with Python 3.14
• 070e560 Update copyright years
• bff61ca Make sure my_public_key length is exactly 128 bytes
• Additional commits viewable in compare view

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Quality Gate passed

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0.0% Coverage on New Code
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