Bump mist for Mojo 25.5

[thatstoasty]

Checklist

• My recipe.yaml file specifies which version(s) of MAX is compatible with my project (see here for an example). If not, my package is compatible with both 24.5 and 24.6.
• License file is packaged (see here for an example).
• Set the build number to 0 (for new packages, or if the version changed).
• Bumped the build number (if the version is unchanged).

[Copilot]

Pull Request Overview

This PR updates the mist package recipe to be compatible with Mojo 25.5, including version bumps and build script adjustments.

• Updates version from 25.4.0 to 25.5.0
• Updates git revision to point to a newer commit
• Adjusts the build script path from src/mist to mist

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[Copilot]

The build script path has changed from 'src/mist' to 'mist'. Please verify that the 'mist' directory exists at the root of the repository at the specified git revision, as this could cause build failures if the directory structure doesn't match.

Suggested change

	- mojo package mist -o ${{ PREFIX }}/lib/mojo/mist.mojopkg
	- mojo package src/mist -o ${{ PREFIX }}/lib/mojo/mist.mojopkg