Fix incompatible pytest version issue

app_docker_compose/tests/requirements.txt

@@ -1,6 +1,6 @@
 coverage==7.4.3
 httpx==0.27.0
-pytest==8.0.2
+pytest==7.4.4
 pytest-asyncio==0.23.5
 pytest-cov==4.1.0
 pytest-testmon==2.1.0