fix: upgrade laravel-echo from 1.15.1 to 1.15.3

Snyk has created this PR to upgrade laravel-echo from 1.15.1 to 1.15.3.

See this package in npm:
https://www.npmjs.com/package/laravel-echo

See this project in Snyk:
https://app.snyk.io/org/shoutz0r-shared/project/71a76727-a61b-4cc8-aecd-bfff7773f421?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -23,7 +23,7 @@
         "graphql-tag": "^2.12.6",
         "icecast-metadata-player": "^1.17.1",
         "jquery": "^3.6.3",
-        "laravel-echo": "^1.15.0",
+        "laravel-echo": "^1.15.3",
         "mitt": "^3.0.0",
         "moment": "^2.29.4",
         "perfect-scrollbar": "^1.5.5",