Bump vue-loader from 15.9.2 to 15.9.3

Bumps [vue-loader](https://github.com/vuejs/vue-loader) from 15.9.2 to 15.9.3.
- [Release notes](https://github.com/vuejs/vue-loader/releases)
- [Changelog](https://github.com/vuejs/vue-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vue-loader/compare/v15.9.2...v15.9.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -57,7 +57,7 @@
     "spotify-web-api-node": "^4.0.0",
     "superagent": "^5.2.2",
     "vue": "^2.6.11",
-    "vue-loader": "^15.9.2",
+    "vue-loader": "^15.9.3",
     "vue-router": "^3.3.4",
     "vue-server-renderer": "^2.6.11",
     "vue-template-compiler": "^2.6.11",