Bump package version to 1.5.3

Update composer.json version from 1.5.1 to 1.5.3 to reflect a new patch release. No other changes were made in this commit.

Author: dgtlss

composer.json

@@ -10,7 +10,7 @@
         "notifications",
         "CVE"
     ],
-    "version": "1.5.1",
+    "version": "1.5.3",
     "license": "MIT",
     "autoload": {
         "psr-4": {