Merge branch '5.2' into 5.3

* 5.2:
  Indicate compatibility with psr/log 2 and 3
  [ci] Fix wrongly skipped integration tests

Signed-off-by: Alexander M. Turek <me@derrabus.de>

Author: derrabus

composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=7.2.5",
         "egulias/email-validator": "^2.1.10|^3",
-        "psr/log": "~1.0",
+        "psr/log": "^1|^2|^3",
         "symfony/deprecation-contracts": "^2.1",
         "symfony/event-dispatcher": "^4.4|^5.0",
         "symfony/mime": "^5.2.6",