Never sign git tags

[mschout]

I ran into git cpan-clone Some::Module just hanging during import of the initial release.

But of debugging and its because my global $HOME/.gitconfig is set up to GPG sign tags:

[tag]
	gpgSign = true

So when it imports the release it tags the release and its just sitting there trying to run $EDITOR waiting for me to edit the commit message.

Workaround is to pass --no-sign to all git tag commands.