Merge branch '4.4' into 5.1

* 4.4:
  [HttpClient] Fix deps=low

Author: nicolas-grekas

composer.json

@@ -37,7 +37,7 @@
         "php-http/httplug": "^1.0|^2.0",
         "psr/http-client": "^1.0",
         "symfony/dependency-injection": "^4.4|^5.0",
-        "symfony/http-kernel": "^4.4|^5.0",
+        "symfony/http-kernel": "^4.4.13|^5.1.5",
         "symfony/process": "^4.4|^5.0"
     },
     "autoload": {