Allow more deprecation messages

Author: javiereguiluz

.github/workflows/ci.yaml

@@ -11,7 +11,11 @@ env:
     PHPUNIT_FLAGS: "-v"
     SYMFONY_PHPUNIT_DIR: "$HOME/symfony-bridge/.phpunit"
     SYMFONY_REQUIRE: ">=4.4"
-    SYMFONY_DEPRECATIONS_HELPER: 3
+    # 40x: Since symfony/monolog-bridge 5.2:
+    # Passing an actionLevel (int|string) as constructor's 3rd argument of
+    # "Symfony\Bridge\Monolog\Handler\FingersCrossed\HttpCodeActivationStrategy"
+    # is deprecated, "Monolog\Handler\FingersCrossed\ActivationStrategyInterface" expected.
+    SYMFONY_DEPRECATIONS_HELPER: 40
 
 jobs:
     test: