Add human_readable_seconds function (trino compatible)

[xing-sudo]

What problem does this PR solve?

Issue Number: This PR implements human_readable_seconds from the doris-future task list
(https://github.com/apache/doris/issues/#48203)

Problem Summary:

Add human_readable_seconds function for Trino compatibility.
Converts a double value of seconds into a human-readable string
containing weeks, days, hours, minutes, and seconds.

Example:

• human_readable_seconds(96) → "1 minute, 36 seconds"
• human_readable_seconds(3762) → "1 hour, 2 minutes, 42 seconds"
• human_readable_seconds(56363463) → "93 weeks, 1 day, 8 hours, 31 minutes, 3 seconds"

Release note

Add human_readable_seconds scalar function (Trino compatible).

Check List (For Author)

• Test

  • Regression test (to be added)
  • Unit Test (BE unit test passed: 9/9)
  • Manual test
  • No need to test

• Behavior changed:

  • No.
  • Yes.

• Does this need documentation?

  • No.
  • Yes. (Documentation PR to be added)

[hello-stephen]

Thank you for your contribution to Apache Doris.
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1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
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4. Which code was refactored and why was this part of the code refactored?
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