task: fix packaging v2

Author: gssbzn

build/package/rename-pkg.sh

@@ -29,6 +29,6 @@ mkdir yum apt
 
 # we could generate a similar name with goreleaser but we want to keep the vars evg compatible to use later
 cp "$FILENAME.deb" apt/
-mv "apt/$FILENAME.deb" "apt/mongodb-cli${unstable}_${VERSION}${latest_deb}_amd64.deb"
+mv "apt/$FILENAME.deb" "apt/mongodb-cli${unstable-}_${VERSION}${latest_deb-}_amd64.deb"
 cp "$FILENAME.rpm" yum/
-mv "yum/$FILENAME.rpm" "yum/mongodb-cli${unstable}-${VERSION}${latest_rpm}.x86_64.rpm"
+mv "yum/$FILENAME.rpm" "yum/mongodb-cli${unstable-}-${VERSION}${latest_rpm-}.x86_64.rpm"