stdlib::manage: Also permit templates for concat::fragment #418

Job	Run time
Spec / Setup Test Matrix	17s
Spec / Spec tests (Puppet: ~> 8.0, Ruby Ver: 3.2)	1m 7s
Acceptance / Setup Test Matrix	11s
Acceptance / Acceptance tests (${{ matrix.platforms.label }}, ${{ matrix.collection }})	0s
Spec / Setup Test Matrix	17s
Acceptance / Setup Test Matrix	25s
Spec / Spec tests (Puppet: ~> 8.0, Ruby Ver: 3.2)	1m 7s
Acceptance / Acceptance tests (${{ matrix.platforms.label }}, ${{ matrix.collection }})	-1s
	3m 23s

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