feat: We now support up to 250 Lookup files per account

[mlobiondo-newrelic]

Please follow conventional commit standards
in your commit messages and pull request title.

Give us some context

• What problems does this PR solve?
  We've raised the limit of lookup files per account to 250 from 20
• Add any context that will help us review your changes such as testing notes,
  links to related docs, screenshots, etc.
• If your issue relates to an existing GitHub issue, please link to it.
  https://new-relic.atlassian.net/browse/NR-358111

[github-actions]

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[adutta-newrelic]

LGTM