Update download tarball GitHub artifact (#154)

*Issue #, if available:*
Found another `download-artifact@v3` version.

*Description of changes:*
Updating version to `v4`

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Author: yiyuan-he

.github/actions/lambda_artifacts_build/action.yml

@@ -24,7 +24,7 @@ runs:
   using: 'composite'
   steps:
     - name: Download Tarball to GitHub Actions
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: ${{ inputs.staging_tarball}}
         path: ./aws-distro-opentelemetry-node-autoinstrumentation/