updates the update-constraints.sh script to ensure it returns a non-zero code upon any failure condition (including the case where all commands execute successfully but the generated constraints.txt file is empty);
updates the constraints.yml workflow to prevent it from creating a PR if the update-constraints.sh script returns a non-zero code.
This PR
update-constraints.shscript to ensure it returns a non-zero code upon any failure condition (including the case where all commands execute successfully but the generatedconstraints.txtfile is empty);constraints.ymlworkflow to prevent it from creating a PR if theupdate-constraints.shscript returns a non-zero code.closes #845