Merge branch '5.3' into 5.4

* 5.3:
  Indicate compatibility with psr/log 2 and 3
  [ci] Fix wrongly skipped integration tests

Author: derrabus

composer.json

@@ -22,7 +22,7 @@
     },
     "require": {
         "php": ">=7.2.5",
-        "psr/log": "^1.0",
+        "psr/log": "^1|^2|^3",
         "symfony/deprecation-contracts": "^2.1",
         "symfony/http-client-contracts": "^2.4",
         "symfony/polyfill-php73": "^1.11",