[ci] Fix the generating version file failure issue caused by artifacts folder change (#7464) (#10451)

Fix the generating version file failure issue caused by artifacts folder change.
When changing to use the same template for PR build, official build and packages version upgrade, the artifacts folder adding a "target" folder, the version upgrade task should be changed accordingly.

Author: xumia

.azure-pipelines/azure-pipelines-UpgrateVersion.yml

@@ -73,14 +73,14 @@ stages:
         default_platform=broadcom
         artifacts=$(find $(Pipeline.Workspace) -maxdepth 1 -type d -name 'sonic-buildimage.*' | grep -v "sonic-buildimage.${default_platform}")
         echo "artifacts$artifacts"
-        cp -r $(Pipeline.Workspace)/sonic-buildimage.${default_platform}/versions target/
+        cp -r $(Pipeline.Workspace)/sonic-buildimage.${default_platform}/target/versions target/
         make freeze FREEZE_VERSION_OPTIONS=-r
         find files/build/versions 
         ordered_artifacts=$(echo "$artifacts" | grep -v -E "arm64|armhf" && echo "$artifacts" | grep -E "arm64|armhf")
         for artifact in $ordered_artifacts
         do
           rm -rf target/versions
-          cp -r $artifact/versions target/
+          cp -r $artifact/target/versions target/
           OPTIONS="-a -d"
           [[ "$artifact" == *arm64* || "$artifact" == *armhf* ]] && OPTIONS="-d"
           make freeze FREEZE_VERSION_OPTIONS="$OPTIONS"