Update how-long-to-beat extension

[ridemountainpig]

Description

Updated the dynamic search hash code based on the HowLongToBeat source script and revised the changelog format.
closes #15414

Screencast

Checklist

• I read the extension guidelines
• I read the documentation about publishing
• I ran npm run build and tested this distribution build in Raycast
• I checked that files in the assets folder are used by the extension itself
• I checked that assets used by the README are placed outside of the metadata folder

[raycastbot]

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