Convert `GuidesChildCard.vue` component to TS

[MilosPaunovic]

Feature description

We need kestra/ui/src/components/content/GuidesChildCard.vue component converted to TypeScript with the use of Composition API.

<script setup lang="ts">
   // Converted code here
</script>

[CarlosLonghi]

I would like to work on it

[MilosPaunovic]

Go for it @CarlosLonghi! 🚀