Update to Symfony 5

.gitignore

-
 ###> symfony/framework-bundle ###
 /.env.local
 /.env.local.php
@@ -7,10 +6,6 @@
 /var/
 /vendor/
 ###< symfony/framework-bundle ###
-
-###> symfony/web-server-bundle ###
-/.web-server-pid
-###< symfony/web-server-bundle ###
 .idea
 /npm-debug.log
 .phpunit.result.cache

.renovaterc.json

@@ -11,7 +11,7 @@
       "matchPackagePrefixes": [
         "symfony/"
       ],
-      "allowedVersions": "<5"
+      "allowedVersions": "<6"
     }
   ]
 }
\ No newline at end of file

composer.json

@@ -6,12 +6,12 @@
         "dbp/api-core-bundle": "dev-main",
         "dbp/api-starter-bundle": "dev-main",
         "symfony/apache-pack": "^1.0",
-        "symfony/console": "^4.4",
-        "symfony/dotenv": "^4.4",
+        "symfony/console": "^5.2",
+        "symfony/dotenv": "^5.2",
         "symfony/flex": "^1.11",
-        "symfony/framework-bundle": "^4.4",
+        "symfony/framework-bundle": "^5.2",
         "symfony/monolog-bundle": "^3.5",
-        "symfony/yaml": "^4.4"
+        "symfony/yaml": "^5.2"
     },
     "repositories": [
         {
@@ -90,20 +90,19 @@
     "extra": {
         "symfony": {
             "allow-contrib": false,
-            "require": "^4.4"
+            "require": "^5.2"
         }
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.16",
         "phpstan/phpstan": "^0.12.7",
         "phpstan/phpstan-phpunit": "^0.12.6",
-        "symfony/browser-kit": "^4.4",
-        "symfony/debug-bundle": "^4.4",
-        "symfony/http-client": "^4.4",
-        "symfony/phpunit-bridge": "^4.4",
+        "symfony/browser-kit": "^5.2",
+        "symfony/debug-bundle": "^5.2",
+        "symfony/http-client": "^5.2",
+        "symfony/phpunit-bridge": "^5.2",
         "symfony/profiler-pack": "^1.0",
-        "symfony/var-dumper": "^4.4",
-        "symfony/web-server-bundle": "^4.4",
+        "symfony/var-dumper": "^5.2",
         "vimeo/psalm": "^4.2.1"
     }
 }

config/routes/dev/twig.yaml

 _errors:
-    resource: '@TwigBundle/Resources/config/routing/errors.xml'
+    resource: '@FrameworkBundle/Resources/config/routing/errors.xml'
     prefix: /_error

psalm.xml

@@ -9,5 +9,9 @@
 >
     <projectFiles>
         <directory name="src" />
+        <ignoreFiles>
+            <directory name="vendor" />
+            <directory name="var" />
+        </ignoreFiles>
     </projectFiles>
 </psalm>