metadata.json: Add OpenVox #115

Job	Run time
Puppet / Static validations	23s
Puppet / 8 (Ruby 3.2)	21s
Puppet / 7 (Ruby 2.7)	38s
Puppet / Distro Puppet - Archlinux rolling	1m 15s
Puppet / OpenVox 8 - Ubuntu 20.04	1m 13s
Puppet / OpenVox 7 - Ubuntu 20.04	1m 36s
Puppet / Puppet 8 - Ubuntu 20.04	1m 23s
Puppet / Puppet 7 - Ubuntu 20.04	1m 26s
Puppet / OpenVox 8 - Ubuntu 22.04	1m 30s
Puppet / OpenVox 7 - Ubuntu 22.04	1m 36s
Puppet / Puppet 8 - Ubuntu 22.04	1m 18s
Puppet / Puppet 7 - Ubuntu 22.04	1m 20s
Puppet / Test suite	2s
	14m 1s

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