Migrate to `spatie/laravel-html`

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This pull request includes the changes for migrating from the laravelcollective/html package to the spatie/laravel-html package. Feel free to commit any additional changes to the shift-108340 branch.

Before merging, you need to:

• Checkout the shift-108340 branch
• Review all pull request comments for additional changes
• Run composer update (if the scripts fail, add --no-scripts)
• Clear any view cache
• Thoroughly test your application (no tests?, no CI?)

If you need help with your migration, check out the Human Shifts.

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:x: Shift detected calls to the selectYear and selectRange methods. While Spatie HTML has a select method, it does not automatically create the options range like LaravelCollective HTML.

Shift converted these with a placeholder function called options_range. You will need to add this function to your helpers file:

function options_range($start, $end): array
{
    return array_combine($range = range($start, $end), $range);
}

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:x: Shift found remaining references to the Form and Html facades provided by the laravelcollective/html package. You should review these references and manually convert them to their spatie/laravel-html equivalent or raw HTML to complete your migration.

• [ ] app/Models/Retreat.php

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:alembic: This Shift is still being refined. Please report any issues or suggestions to shift@laravelshift.com. Your feedback is what helps improve the experience for everyone.

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HTML::image missing asset; breaks images from showing - reported to JMac to be fixed.