parse serviceName in VerticaReplicator

[fenic-fawkes]

allow users to provide a service name to use for source and target databases. if unspecified we use the first service assigned to the database with a cluster ip, if supplied we validate that it's assigned to the appropriate main/sandbox cluster

[roypaulin]

We should also update e2e test. Let's discuss about this at the standup.

[jizhuoyu]

_ No description provided. _

Could we update the PR description please?

[fenic-fawkes]

needs one small vcluster change that's under review but then this should be good to merge

[cchen-vertica]

I've synced the vclusterOps to the Github repository. You can update your go.mod to refer to the latest commit in vcluster repo.

[roypaulin]

Almost done! Resolve the conflicts and run the tests again.

[CLAassistant]

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5 out of 6 committers have signed the CLA.

:white_check_mark: jizhuoyu
:white_check_mark: chinhtranvan
:white_check_mark: cchen-vertica
:white_check_mark: roypaulin
:white_check_mark: fenic-fawkes
:x: spilchen

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