Inherit VERSION for IIS build in ARM64 Mariner

Author: onalante-msft

builds/misc/templates/build-packages.yaml

@@ -308,12 +308,11 @@ stages:
               set -ex
               git clone --recurse-submodules https://github.com/Azure/iot-identity-service.git
               pushd iot-identity-service
-              packageVersion=$(git tag | grep 1.3.[0-9]*$ | sort --version-sort -r | head -1)
               sudo docker run --rm \
                 -v "$(Build.SourcesDirectory)/iot-identity-service:/src" \
                 -e "ARCH=$PACKAGE_ARCH" \
                 -e "OS=$OS:$OSVERSION" \
-                -e "PACKAGE_VERSION=$packageVersion" \
+                -e "PACKAGE_VERSION=$VERSION" \
                 -e "PACKAGE_RELEASE=1" \
                 --privileged \
                 "ubuntu:18.04" \