(PCP-515) Acceptance - update ticket reference for skipped test on Arista
(PCP-515) Acceptance - update ticket reference for skipped test on Arista

We currently skip the host restart test on Arista VMs due to their reboot behaviour.
Fixing this will require some RE work - this commit simply updates the ticket reference in the test from PCP-515 to RE-7673

[skip ci]

puppetlabs/pxp-agent,puppetlabs/pxp-agent,puppetlabs/pxp-agent