feat(deps): update dependency pytest to v9 [security]

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
     needs: lint
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-python@v6
+    - uses: actions/setup-python@v5
       with:
         python-version: 3.12
         cache: 'pip' # caching pip dependencies

requirements.txt

@@ -2,7 +2,7 @@ certifi==2025.7.14 # Testing
 iniconfig==2.1.0 # PyTest Testing
 packaging==25.0 # PyTest Testing
 pluggy==1.6.0 # PyTest Testing
-pytest==8.4.1 # PyTest Testing
+pytest==9.0.3 # PyTest Testing
 
 click==8.2.1 # Uvicorn
 httptools==0.6.4 # Uvicorn