More GitHub actions config updates

Author: javiereguiluz

.github/workflows/lint.yaml

@@ -27,7 +27,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php-version: ['8.0']
+                php-version: ['8.1']
 
         steps:
             - name: "Checkout code"

.github/workflows/tests.yaml

@@ -11,11 +11,7 @@ env:
     PHPUNIT_FLAGS: "-v"
     SYMFONY_PHPUNIT_DIR: "$HOME/symfony-bridge/.phpunit"
     SYMFONY_REQUIRE: ">=6.0"
-    # 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: 6
+    SYMFONY_DEPRECATIONS_HELPER: 7
 
 jobs:
     test: