update symfony/process to v5.4.21, fixes #2465

Closes #2465

Merge request studip/studip!1662

composer.lock

@@ -3662,16 +3662,16 @@
         },
         {
             "name": "symfony/process",
-            "version": "v5.4.11",
+            "version": "v5.4.21",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "6e75fe6874cbc7e4773d049616ab450eff537bf1"
+                "reference": "d4ce417ebcb0b7d090b4c178ed6d3accc518e8bd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/6e75fe6874cbc7e4773d049616ab450eff537bf1",
-                "reference": "6e75fe6874cbc7e4773d049616ab450eff537bf1",
+                "url": "https://api.github.com/repos/symfony/process/zipball/d4ce417ebcb0b7d090b4c178ed6d3accc518e8bd",
+                "reference": "d4ce417ebcb0b7d090b4c178ed6d3accc518e8bd",
                 "shasum": ""
             },
             "require": {
@@ -3704,7 +3704,7 @@
             "description": "Executes commands in sub-processes",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/process/tree/v5.4.11"
+                "source": "https://github.com/symfony/process/tree/v5.4.21"
             },
             "funding": [
                 {
@@ -3720,7 +3720,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-06-27T16:58:25+00:00"
+            "time": "2023-02-21T19:46:44+00:00"
         },
         {
             "name": "symfony/service-contracts",