updated lastpublishdate to today

Solutions/Island/SolutionMetadata.json

@@ -2,7 +2,7 @@
 	"publisherId": "islandtechnologyinc1679434413850",
 	"offerId": "island-sentinel-solution",
 	"firstPublishDate": "2023-05-02",
-	"lastPublishDate": "2023-05-02",
+	"lastPublishDate": "2023-07-20",
 	"providers": ["Island"],
 	"categories": {
 		"domains" : ["Security - Information Protection","Security - Threat Protection"],