Revert "[TASK] Release version 4.0.0"

This reverts commit 5328a0b9.

composer.json

@@ -6,7 +6,7 @@
 	"license": [
 		"GPL-2.0-or-later"
 	],
-	"version": "4.0.0",
+	"version": "3.5.8",
 	"support": {
 		"issues": "https://gitlab.sgalinski.de/typo3/sg_jobs"
 	},

ext_emconf.php

@@ -4,7 +4,7 @@ $EM_CONF['sg_jobs'] = [
 	'title' => 'Jobs',
 	'description' => 'Manage and display your Job offers.',
 	'category' => 'plugin',
-	'version' => '4.0.0',
+	'version' => '3.5.8',
 	'state' => 'stable',
 	'uploadfolder' => FALSE,
 	'createDirs' => '',