Indicate compatibility with psr/log 2 and 3

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

Author: derrabus

composer.json

@@ -28,7 +28,7 @@
         "symfony/ldap": "^4.4|^5.0",
         "symfony/translation": "^4.4|^5.0",
         "symfony/validator": "^3.4.31|^4.3.4|^5.0",
-        "psr/log": "~1.0"
+        "psr/log": "^1|^2|^3"
     },
     "conflict": {
         "symfony/event-dispatcher": "<4.3|>=5",