build(deps-dev): bump pytest-subprocess from 1.5.3 to 1.5.4 in /backend

[dependabot]

Bumps pytest-subprocess from 1.5.3 to 1.5.4.

Release notes

Sourced from pytest-subprocess's releases.

1.5.4

Features

• [#103](https://github.com/aklajnert/pytest-subprocess/issues/103): Improve matching commands that contain quoted arguments.

Bug fixes

• [#192](https://github.com/aklajnert/pytest-subprocess/issues/192): Fix ResourceWarning for unclosed file handles in test_universal_newlines and test_text by explicitly closing process.stdout after reading, preventing intermittent failures on Python 3.12+.
• [#196](https://github.com/aklajnert/pytest-subprocess/issues/196): Handle stderr=STDOUT when stdout is a file handle.
• [#194](https://github.com/aklajnert/pytest-subprocess/issues/194): Patch imported subprocess.Popen aliases.
• [#186](https://github.com/aklajnert/pytest-subprocess/issues/186): Support file handles in stdout and stderr.

Other changes

• [#197](https://github.com/aklajnert/pytest-subprocess/issues/197): Officially support Python 3.14 and 3.15.

Changelog

Sourced from pytest-subprocess's changelog.

1.5.4 (2026-03-21)

Features

* `[#103](https://github.com/aklajnert/pytest-subprocess/issues/103) <https://github.com/aklajnert/pytest-subprocess/pull/103>`_: Improve matching commands that contain quoted arguments.
Bug fixes

• [#192](https://github.com/aklajnert/pytest-subprocess/issues/192) <https://github.com/aklajnert/pytest-subprocess/pull/192>_: Fix ResourceWarning for unclosed file handles in test_universal_newlines and test_text by explicitly closing process.stdout after reading, preventing intermittent failures on Python 3.12+.
• [#196](https://github.com/aklajnert/pytest-subprocess/issues/196) <https://github.com/aklajnert/pytest-subprocess/pull/196>_: Handle stderr=STDOUT when stdout is a file handle.
• [#194](https://github.com/aklajnert/pytest-subprocess/issues/194) <https://github.com/aklajnert/pytest-subprocess/pull/194>_: Patch imported subprocess.Popen aliases.
• [#186](https://github.com/aklajnert/pytest-subprocess/issues/186) <https://github.com/aklajnert/pytest-subprocess/pull/186>_: Support file handles in stdout and stderr.

Other changes

* `[#197](https://github.com/aklajnert/pytest-subprocess/issues/197) <https://github.com/aklajnert/pytest-subprocess/pull/197>`_: Officially support Python 3.14 and 3.15.

Commits

• b783eea Bump version.
• 53877f8 Refactor subprocess tests to properly close stdout and improve output asserti...
• 6da3b94 [pre-commit.ci] pre-commit autoupdate (#199)
• 55d0512 Add support for python 3.14 and 3.15 (#197)
• 4c1f6af [pre-commit.ci] pre-commit autoupdate (#198)
• 52556e7 Improve matching commands that contain quoted arguments. (#103)
• e9da3f7 Fix handling of stderr when stdout is a file handle (#196)
• bf33539 Patch imported subprocess.Popen aliases. (#194)
• 4d1685d [pre-commit.ci] pre-commit autoupdate (#193)
• 43b67e7 [pre-commit.ci] pre-commit autoupdate (#191)
• Additional commits viewable in compare view

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