[TASK] Lower the minimum requirement of php to 7.1

Classes/Controller/MailController.php

@@ -184,6 +184,7 @@ class MailController extends ActionController {
 				$templateFromFile->setLanguage($key);
 				$templates[$key] = $templateFromFile;
 				if (\strpos($subject, 'LLL:') === 0) {
+					/** @noinspection PhpMethodParametersCountMismatchInspection */
 					$subject = LocalizationUtility::translate($subject, NULL, NULL, $key);
 				}
 				$templateFromFile->setSubject($subject);

composer.json

@@ -14,7 +14,7 @@
         }
     ],
     "require": {
-        "php": ">=7.2.0 <7.4 ",
+        "php": ">=7.1.0 <7.4",
         "typo3/cms-core": "^8.7.0 || ^9.5.1"
     },
     "require-dev": {

ext_emconf.php

@@ -16,19 +16,15 @@ $EM_CONF['sg_mail'] = [
 	'author' => 'Torsten Oppermann',
 	'author_email' => 'torsten@sgalinski.de',
 	'author_company' => 'sgalinski Internet Services (https://www.sgalinski.de)',
-	'constraints' =>
-		[
-			'depends' =>
-				[
-					'typo3' => '8.7.0-9.5.99',
-					'php' => '7.0.0-7.3.99',
-				],
-			'conflicts' =>
-				[
-				],
-			'suggests' =>
-				[
-				],
+	'constraints' => [
+		'depends' => [
+			'typo3' => '8.7.0-9.5.99',
+			'php' => '7.1.0-7.4.99',
 		],
+		'conflicts' => [
+		],
+		'suggests' => [
+		],
+	],
 ];