Small typo (extra space) for the Apple Music social icon

[geofox]

What does this PR change? What problem does it solve?

Small typo (extra space) for the Apple Music social icon name in the example site as the site is often the first page when searching for “Social icons Papermod”. Ideally, should also be changed in the wiki : https://github.com/adityatelange/hugo-PaperMod/wiki/Icons

Was the change discussed in an issue or in the Discussions before?

No.

PR Checklist

• This change adds/updates translations and I have used the template present here.
• I have enabled maintainer edits for this PR.
• I have verified that the code works as described/as intended.
• This change adds a Social Icon which has a permissive license to use it. Already in the code, just update to the page in the example site
• This change does not include any CDN resources/links.
• This change does not include any unrelated scripts such as bash and python scripts.
• This change updates the overridden internal templates from HUGO's repository.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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