Merge branch '6.0' into 6.1

* 6.0:
  Update VERSION for 5.3.16
  Update CHANGELOG for 5.3.16
  [Console] Revert StringInput bc break from #45088
  [FrameworkBundle] require ext-sodium in tests
  [HttpClient] fix checking for unset property on PHP <= 7.1.4

Author: derrabus

Tests/Secrets/SodiumVaultTest.php

@@ -6,6 +6,9 @@
 use Symfony\Bundle\FrameworkBundle\Secrets\SodiumVault;
 use Symfony\Component\Filesystem\Filesystem;
 
+/**
+ * @requires extension sodium
+ */
 class SodiumVaultTest extends TestCase
 {
     private $secretsDir;

composer.json

@@ -64,7 +64,6 @@
         "symfony/uid": "^5.4|^6.0",
         "symfony/web-link": "^5.4|^6.0",
         "phpdocumentor/reflection-docblock": "^3.0|^4.0|^5.0",
-        "paragonie/sodium_compat": "^1.8",
         "twig/twig": "^2.10|^3.0",
         "symfony/phpunit-bridge": "^5.4|^6.0"
     },