(SUP-2655) Update Minimum Supported Bolt Version to 1.38.0

[henrywangpuppet]

Tested it is working since Bolt 1.38.0:

[root@pe-201819-master Boltdir]# bolt plan run ca_extend::extend_ca_cert --targets local://$(hostname -f) --run-as root
--
Starting: plan ca_extend::extend_ca_cert
Finished: plan ca_extend::extend_ca_cert in 0.0 sec
{
"kind": "bolt/pal-error",
"msg": "ca_extend::extend_ca_cert:\n  has no parameter named 'nodes'\n  expects a value for parameter 'targets'",
"details": {
}
}
[root@pe-201819-master Boltdir]# bolt --version
1.37.0

In 1.38.0:

[root@pe-201819-master Boltdir]# bolt --version
--
1.38.0
[root@pe-201819-master Boltdir]# bolt plan run ca_extend::extend_ca_cert --targets local://$(hostname -f) --run-as root
Starting: plan ca_extend::extend_ca_cert
Starting: install puppet and gather facts on pe-201819-master.puppetdebug.vlan
Finished: install puppet and gather facts with 0 failures in 3.5 sec
Starting: task facts on pe-201819-master.puppetdebug.vlan
Finished: task facts with 0 failures in 1.59 sec
Starting: task ca_extend::check_primary_cert on pe-201819-master.puppetdebug.vlan
Finished: task ca_extend::check_primary_cert with 0 failures in 0.91 sec
INFO: Stopping Puppet services on local://pe-201819-master.puppetdebug.vlan

[CLAassistant]

All committers have signed the CLA.

[MartyEwings]

Looks good to me