fix service LastDeploy field to not use pagination variables

[derek-etherton-opslevel]

Resolves #

Problem

Fixes that we were defaulting GetLastDeploy params to pagination params, when those aren't accepted for this (singular) field.

Solution

Checklist

• I have run this code, and it appears to resolve the stated issue.
• This PR does not reduce total test coverage
• This PR has no user interface changes or has already received approval from product management to change the interface.
• Does this change require a Terraform schema change?
  • If so what is the ticket or PR #
• Make a changie entry that explains the customer facing outcome of this change

[derek-etherton-opslevel]

considered getting rid of the variables param altogether since this query will only really use serviceId, but figure keeping it is:
a. backwards compatible with current version of opslevel-mcp, and
b. more future-proof?

[rocktavious]

I swear i tested this and it worked. 🤔 at any rate 🚀