[TASK] Adaptation of the php requirements and release of version 5.2.1

composer.json

@@ -6,7 +6,7 @@
     "license": [
         "GPL-2.0-or-later"
     ],
-    "version": "5.2.0",
+    "version": "5.2.1",
     "repositories": [
         {
             "type": "composer",
@@ -14,7 +14,7 @@
         }
     ],
     "require": {
-        "php": ">=7.1.0 <7.4",
+        "php": ">=7.1.0",
         "typo3/cms-core": "^8.7.0 || ^9.5.1"
     },
     "require-dev": {

ext_emconf.php

@@ -8,7 +8,7 @@ $EM_CONF['sg_mail'] = [
 	'title' => 'Mail Templates',
 	'description' => 'Mail Templates',
 	'category' => 'module',
-	'version' => '5.2.0',
+	'version' => '5.2.1',
 	'state' => 'stable',
 	'uploadfolder' => FALSE,
 	'createDirs' => '',
@@ -19,7 +19,7 @@ $EM_CONF['sg_mail'] = [
 	'constraints' => [
 		'depends' => [
 			'typo3' => '8.7.0-9.5.99',
-			'php' => '7.1.0-7.4.99',
+			'php' => '7.1.0-',
 		],
 		'conflicts' => [
 		],