fix: upgrade pytest-asyncio to 1.3.0 for pytest 9.x compatibility

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Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 <!-- version list -->
 
+## [Unreleased]
+
+### Changed
+
+- Bumped `pytest` from 7.4.4 to 9.0.2 and `pytest-asyncio` from 0.23.3 to 1.3.0 to restore compatibility in the backend test suite.
+
 ## v0.6.0 (2026-03-29)
 
 ### Chores

backend/requirements.txt

@@ -49,7 +49,7 @@ python-json-logger==2.0.7
 
 # Development & Testing
 pytest==9.0.2
-pytest-asyncio==0.23.3
+pytest-asyncio==1.3.0
 pytest-cov==4.1.0
 faker==22.6.0