[GHA] GCP Backup upload testing

.github/scripts/copy-from-s3-to-gcp.sh

@@ -0,0 +1,14 @@
+s3_url=$1
+gcp_url=$2
+
+# Process s3_url remove trailing / and get the last segment without the trailing /
+file_name=${s3_url%/}
+file_name=${file_name##*/}
+
+# Download from S3 then upload to GCP
+aws s3 cp $s3_url . --recursive --no-progress
+echo "-------"
+ls
+echo "-------"
+gcp storage cp $gcp_url ./$file_name --recursive
+rm -rf $file_name