Update version_check.json

Bumping to 1.0.3 because, well, I'm an idiot really... the download link was all wrong!

Author: GwynethLlewelyn

version_check.json

@@ -1,8 +1,8 @@
 {
 	"stable": {
 		"1.0": {
-			"current": "1.0.2",
-			"download": "https://github.com/GwynethLlewelyn/post-local-storage/releases/download/v1.0.1/postlocalstorage.zip",
+			"current": "1.0.3",
+			"download": "https://github.com/GwynethLlewelyn/post-local-storage/releases/download/v1.0.3/postlocalstorage.zip",
 			"announcement": "https://www.phpbb.com/customise/db/extension/postlocalstorage/",
 			"eol": null,
 			"security": false