fix deprecated github artifacts

Author: yiyuan-he

.github/workflows/main-build.yml

@@ -72,7 +72,7 @@ jobs:
           aws s3 cp aws-distro-opentelemetry-node-autoinstrumentation/${{ steps.staging_tarball_output.outputs.STAGING_TARBALL }} s3://${{ env.STAGING_S3_BUCKET }}
 
       - name: Upload Tarball to GitHub Actions
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ steps.staging_tarball_output.outputs.STAGING_TARBALL}}
           path: aws-distro-opentelemetry-node-autoinstrumentation/${{ steps.staging_tarball_output.outputs.STAGING_TARBALL}}

.github/workflows/release-lambda.yml

@@ -133,7 +133,7 @@ jobs:
         if: ${{ success() }}
         uses: actions/upload-artifact@v4
         with:
-          name: ${{ env.LAYER_NAME }}
+          name: ${{ env.LAYER_NAME }}-${{ matrix.aws_region }}
           path: ${{ env.LAYER_NAME }}/${{ matrix.aws_region }}
       - name: clean s3
         if: always()
@@ -149,8 +149,9 @@ jobs:
       - name: download layerARNs
         uses: actions/download-artifact@v4
         with:
-          name: ${{ env.LAYER_NAME }}
+          name: ${{ env.LAYER_NAME }}-*
           path: ${{ env.LAYER_NAME }}
+          merge-multiple: true
       - name: show layerARNs
         run: |
           for file in ${{ env.LAYER_NAME }}/*