⚙️ ci: Trigger Restriction for Detect Unused NPM Packages (#5844)

The workflow now only runs on pull requests that modify:
- The root `package.json` or `package-lock.json` file
- Any file under the client folder
- Any file under the api folder

.github/workflows/unused-packages.yml

@@ -1,6 +1,12 @@
 name: Detect Unused NPM Packages
 
-on: [pull_request]
+on:
+  pull_request:
+    paths:
+      - 'package.json'
+      - 'package-lock.json'
+      - 'client/**'
+      - 'api/**'
 
 jobs:
   detect-unused-packages: