Add psutil to pylint tox env

Author: elacuesta

tox.ini

@@ -63,8 +63,9 @@ commands =
 
 [testenv:pylint]
 deps =
-    pytest==7.4.0
+    psutil==5.9.7
     pylint==3.2.2
+    pytest==7.4.0
 commands =
     pip install -e .
     pylint {posargs: scrapy_playwright setup.py tests}