Remove redundant quotes from create-astro commit message

[ChaseParate]

Changes

Fixes the initial git commit message generated by create-astro (removes redundant double quotes).

Before

commit 7e4dd06e33197a4fa1f86f7247c7340007ac0aa8
Author: houston[bot] <astrobot-houston@users.noreply.github.com>
Date:   Tue Apr 21 13:59:37 2026 -0600

    "Initial commit from Astro"

After

commit c00cee306657419fabcbaf95e99c7766c0219ad6 (HEAD -> main)
Author: houston[bot] <astrobot-houston@users.noreply.github.com>
Date:   Tue Apr 21 17:34:11 2026 -0600

    Initial commit from Astro

Testing

I just manually tested this; I didn't find any unit tests for this in the codebase.

Docs

I don't think this needs any documentation, this change is a nitpick at most.

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Latest commit: 128244c

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