[amd][ci] update mteb version for ROCM

[bradleyhd]

Purpose

MTEB Language Models Tests are failing on MI300 only after non-MI300 tests were updated to use mteb > 2, which has a new 'types' module.

Test Plan

CI

Test Result

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Essential Elements of an Effective PR Description Checklist

• The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
• The test plan, such as providing test command.
• The test results, such as pasting the results comparison before and after, or e2e results
• (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.
• (Optional) Release notes update. If your change is user facing, please update the release notes draft in the Google Doc.