Add maximum endpoint detail and update /canarytokens/paginate

[thinkst-tom]

Proposed changes

Adds a new maximum endpoint detail and updates the /canarytokens/fetch endpoint with it, with a value of 2500.

Required for this diff.

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update

Checklist

• Lint and unit tests pass locally with my changes (if applicable)
• I have run pre-commit (pre-commit in the repo)
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)
• Linked to the relevant github issue or github discussion

Further comments

Customers for which this would have be a breaking change won't be affected by this change to the API.