Merge pull request #17 from SyncfusionExamples/EJ2-902232-security

bug(EJ2-902232): Resolve the Dependabot issues for EJ2 PDFViewer.

Author: SasidharanKaruppiah

How to/PDF viewer with svelte framework/package.json

@@ -15,9 +15,10 @@
     "rollup-plugin-livereload": "^2.0.0",
     "rollup-plugin-svelte": "^7.0.0",
     "rollup-plugin-terser": "^7.0.0",
-    "svelte": "^3.0.0"
+    "svelte": "^4.2.19"
   },
   "dependencies": {
+    "gulp": "^5.0.0",
     "sirv-cli": "^2.0.0"
   }
 }