use lowest possible p/w hash "work factor" in test env

Author: kbond

symfony/security-bundle/5.3/config/packages/security.yaml

@@ -25,3 +25,12 @@ security:
     access_control:
         # - { path: ^/admin, roles: ROLE_ADMIN }
         # - { path: ^/profile, roles: ROLE_USER }
+
+when@test:
+    security:
+        password_hashers:
+            Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface:
+                algorithm: auto
+                cost: 4 # Lowest possible value for bcrypt
+                time_cost: 3 # Lowest possible value for argon
+                memory_cost: 10 # Lowest possible value for argon