GPG signing commits in parallel causing issues

[dabutvin]

Getting this error during commit signing "One or more errors occurred. (Cannot allocate memory)"

We might need to do the commit signing 1 at a time with some kind of lock when we are processing multiple repos at once.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[dlemstra]

bump