update update-version.sh to use packaging lib (#1387)

ci/release/update-version.sh

@@ -22,7 +22,7 @@ CURRENT_SHORT_TAG=${CURRENT_MAJOR}.${CURRENT_MINOR}
 NEXT_MAJOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[1]}')
 NEXT_MINOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[2]}')
 NEXT_SHORT_TAG=${NEXT_MAJOR}.${NEXT_MINOR}
-NEXT_SHORT_TAG_PEP440=$(python -c "from setuptools.extern import packaging; print(packaging.version.Version('${NEXT_SHORT_TAG}'))")
+NEXT_SHORT_TAG_PEP440=$(python -c "from packaging.version import Version; print(Version('${NEXT_SHORT_TAG}'))")
 NEXT_UCXPY_VERSION="$(curl -s https://version.gpuci.io/rapids/${NEXT_SHORT_TAG})"
 
 echo "Preparing release $CURRENT_TAG => $NEXT_FULL_TAG"