Use Test-PuppetInstalledVersion instead of Test-PuppetInstalled #312

Job	Run time
Released / Puppet7 gem on Ruby 2.7 on Linux	1m 48s
Nightly / Puppet7 gem on Ruby 2.7 on Linux	1m 58s
Released / Puppet8 gem on Ruby 3.1 on Linux	1m 31s
Nightly / Puppet8 gem on Ruby 3.1 on Linux	1m 21s
Released / Puppet7 gem on Ruby 2.7 on macOS	6m 53s
Nightly / Puppet7 gem on Ruby 2.7 on macOS	4m 14s
Released / Puppet8 gem on Ruby 3.1 on macOS	5m 18s
Nightly / Puppet8 gem on Ruby 3.1 on macOS	3m 46s
Released / Puppet7 gem on Ruby 2.7 on Windows	7m 18s
Nightly / Puppet7 gem on Ruby 2.7 on Windows	10m 6s
Released / Puppet8 gem on Ruby 3.1 on Windows	5m 48s
Nightly / Puppet8 gem on Ruby 3.1 on Windows	7m 10s
	57m 11s

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