Get latest posts from category, excluding current post

latest-posts-from-cat.php

<?php

// convert to timber

$current_post_id = get_the_ID();
$current_post_cats = get_the_category();
$current_post_first_cat_id = $current_post_cats[ 0 ]->term_id;

$args = array(
    'cat' => $current_post_first_cat_id,
    'post__not_in' => array( $current_post_id )
  );

$context['related-posts'] = Timber::get_posts($query);

latest-posts-in-category.php

<?php
 
// Get the current post id.
$current_post_id = get_the_ID();
 
// Get the current post's category (first one if there's more than one).
$current_post_cats = get_the_category();
$current_post_first_cat_id = $current_post_cats[ 0 ]->term_id;
 
// Setup arguments.
$args = array(
    // Get category's posts.
    'cat' => $current_post_first_cat_id,
    // Exclude current post.
    'post__not_in' => array( $current_post_id )
);
 
// Instantiate new query instance.
$my_query = new WP_Query( $args );
 
?>