Specify complete min version for stdlib dependency
Specify complete min version for stdlib dependency

This fixes an incompatibility between the Forge and `puppet module` tool as
described here:

https://github.com/puppetlabs/puppet/pull/1684

An example can be seen here:

gds-operations/puppet-openconnect@a78622f94abd8fb974baea6d8225212357126db9

gds-operations/puppet-module-skeleton,gds-operations/puppet-module-skeleton,gds-operations/puppet-module-skeleton