Update version number to v1.6.0

Author: sourcery-ai-bot

package-lock.json

@@ -8,7 +8,7 @@
 		"url": "https://github.com/sourcery-ai/public/issues"
 	},
 	"license": "MIT",
-	"version": "1.5.1-dev.1",
+	"version": "1.6.0",
 	"publisher": "sourcery",
 	"icon": "sourcery-icon.png",
 	"keywords": [
@@ -100,7 +100,7 @@
 						"completionEvents": [
 							"onContext:sourcery.is_authenticated"
 						]
-					},					
+					},
 					{
 						"id": "sourcery.openWelcomeFile",
 						"title": "Get your first recommendation",