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

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=7.2.5",
         "symfony/polyfill-php80": "^1.15",
-        "psr/log": "~1.0"
+        "psr/log": "^1|^2|^3"
     },
     "require-dev": {
         "symfony/event-dispatcher-contracts": "^2",