[FEATURE] Update dependencies for TYPO3 CMS 13 and PHP 8

Author: wazum

.gitignore

@@ -3,3 +3,6 @@
 Desktop.ini
 Thumbs.db
 *~
+/composer.lock
+/public
+/vendor

composer.json

@@ -33,12 +33,12 @@
     "source": "https://github.com/plan2net/sierrha/"
   },
   "require": {
-    "php": "^7.2 || ^8.1",
-    "typo3/cms-backend": "^9.5 || ^10.4 || ^11.5 || ^12.4",
-    "typo3/cms-frontend": "^9.5 || ^10.4 || ^11.5 || ^12.4"
+    "php": ">=8.2",
+    "typo3/cms-backend": "^13.4",
+    "typo3/cms-frontend": "^13.4"
   },
   "require-dev": {
-    "typo3/testing-framework": "^4.0 || ^6.0"
+    "typo3/testing-framework": "*"
   },
   "autoload": {
     "psr-4": {
@@ -54,5 +54,11 @@
     "typo3/cms": {
       "extension-key": "sierrha"
     }
+  },
+  "config": {
+    "allow-plugins": {
+      "typo3/class-alias-loader": true,
+      "typo3/cms-composer-installers": true
+    }
   }
 }

ext_emconf.php

@@ -8,11 +8,11 @@
     'author_email' => '[email protected]',
     'author_company' => 'plan2net GmbH',
     'state' => 'stable',
-    'version' => '0.4.2',
+    'version' => '0.4.3',
     'constraints' => [
         'depends' => [
-            'backend' => '9.5.0 - 12.4.99',
-            'frontend' => '9.5.0 - 12.4.99',
+            'backend' => '13.4.0 - 13.4.99',
+            'frontend' => '13.4.0 - 13.4.99',
         ],
         'conflicts' => [],
         'suggests' => [],