Removed unnecessary fhlmi pinning

[jamesbraza]

#1137 missed removing this one after core deps surpassed 0.28

[Copilot]

Pull Request Overview

This PR removes an unnecessary version pin for the fhlmi dependency from the development dependencies. The pin was no longer needed after core dependencies were updated to surpass version 0.28, making this explicit pinning redundant.

• Removed fhlmi>=0.28 pin from dev dependencies

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[dosubot]

Documentation Updates

Checked 1 published document(s). No updates required.

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