DBACCESS-1261: Add metrics to rs consul calls

[jlinrbx]

What problem are we solving?

We currently don't have any visibility into how many requests we're making to consul

https://jira.rbx.com/browse/DBACCESS-1261

How are we solving the problem?

Add metrics for requests made to consul

Checks

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• [x] All CI checks are green.
• [x] I have reviewed the proposed changes myself.

[github-actions[bot]]

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[jlinrbx]

I have read the CLA Document and I hereby sign the CLA