Fix integer-to-string conversion limit for test.fib function

[hatamiarash7]

What does this PR do?

This PR will remove the integer-to-string conversion limit for test.fib function.

What issues does this PR fix or reference?

Fixes #68775

Previous Behavior

# salt '*' test.fib 20578

ValueError: Exceeds the limit (4300) for integer string conversion; use sys.set_int_max_str_digits() to increase the limit

New Behavior

# salt '*' test.fib 20578

local:
    - 1578250 ... 02670484839
    - 0.0033774375915527344

Merge requirements satisfied?

• Docs
• Changelog - https://docs.saltproject.io/en/master/topics/development/changelog.html
• Tests written/updated

Commits signed with GPG?

Yes