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Pass secrets as sensitive data types to katello/candlepin #1159

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Run time

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Job	Run time
Puppet / Static validations	19s
Puppet / 8 (Ruby 3.2)	25s
Puppet / 7 (Ruby 2.7)	47s
Puppet / Puppet 8 - CentOS 8	1m 49s
Puppet / Puppet 7 - CentOS 8	1m 57s
Puppet / Puppet 8 - CentOS 9	1m 43s
Puppet / Puppet 7 - CentOS 9	1m 20s
Puppet / Test suite	0s
	8m 20s