golden hour

/var/www/html/wp-includes/blocks

File/Folder	Size	Actions
archives	-
archives.php	2.7 KB
audio	-
block	-
block.php	1.47 KB
button	-
buttons	-
calendar	-
calendar.php	1.53 KB
categories	-
categories.php	2.59 KB
code	-
column	-
columns	-
cover	-
embed	-
file	-
file.php	897 B
freeform	-
gallery	-
group	-
heading	-
html	-
image	-
index.php	2.54 KB
latest-comments	-
latest-comments.php	4.88 KB
latest-posts	-
latest-posts.php	6.96 KB
legacy-widget	-
legacy-widget.php	3.73 KB
list	-
loginout	-
loginout.php	1.35 KB
media-text	-
missing	-
more	-
nextpage	-
page-list	-
page-list.php	7.09 KB
paragraph	-
post-content	-
post-content.php	1.84 KB
post-date	-
post-date.php	1.5 KB
post-excerpt	-
post-excerpt.php	2.38 KB
post-featured-image	-
post-featured-image.php	1.31 KB
post-template	-
post-template.php	2.66 KB
post-terms	-
post-terms.php	1.63 KB
post-title	-
post-title.php	1.57 KB
preformatted	-
pullquote	-
query	-
query-pagination	-
query-pagination-next	-
query-pagination-next.php	2.45 KB
query-pagination-numbers	-
query-pagination-numbers.php	2.72 KB
query-pagination-previous	-
query-pagination-previous.php	1.99 KB
query-pagination.php	359 B
query-title	-
query-title.php	1.35 KB
query.php	304 B
quote	-
rss	-
rss.php	3.21 KB
search	-
search.php	6.57 KB
separator	-
shortcode	-
shortcode.php	697 B
site-logo	-
site-logo.php	4.84 KB
site-tagline	-
site-tagline.php	994 B
site-title	-
site-title.php	1.21 KB
social-link	-
social-link.php	57.92 KB
social-links	-
spacer	-
table	-
tag-cloud	-
tag-cloud.php	1.24 KB
text-columns	-
verse	-
video	-

Edit: post-excerpt.php

<?php
/**
 * Server-side rendering of the `core/post-excerpt` block.
 *
 * @package WordPress
 */

/**
 * Renders the `core/post-excerpt` block on the server.
 *
 * @param array    $attributes Block attributes.
 * @param string   $content    Block default content.
 * @param WP_Block $block      Block instance.
 * @return string Returns the filtered post excerpt for the current post wrapped inside "p" tags.
 */
function render_block_core_post_excerpt( $attributes, $content, $block ) {
	if ( ! isset( $block->context['postId'] ) ) {
		return '';
	}

$more_text           = ! empty( $attributes['moreText'] ) ? '<a class="wp-block-post-excerpt__more-link" href="' . esc_url( get_the_permalink( $block->context['postId'] ) ) . '">' . $attributes['moreText'] . '</a>' : '';
	$filter_excerpt_more = function( $more ) use ( $more_text ) {
		return empty( $more_text ) ? $more : '';
	};
	/**
	 * Some themes might use `excerpt_more` filter to handle the
	 * `more` link displayed after a trimmed excerpt. Since the
	 * block has a `more text` attribute we have to check and
	 * override if needed the return value from this filter.
	 * So if the block's attribute is not empty override the
	 * `excerpt_more` filter and return nothing. This will
	 * result in showing only one `read more` link at a time.
	 */
	add_filter( 'excerpt_more', $filter_excerpt_more );
	$classes = '';
	if ( isset( $attributes['textAlign'] ) ) {
		$classes .= "has-text-align-{$attributes['textAlign']}";
	}
	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) );

$content               = '<p class="wp-block-post-excerpt__excerpt">' . get_the_excerpt( $block->context['postId'] );
	$show_more_on_new_line = ! isset( $attributes['showMoreOnNewLine'] ) || $attributes['showMoreOnNewLine'];
	if ( $show_more_on_new_line && ! empty( $more_text ) ) {
		$content .= '</p><p class="wp-block-post-excerpt__more-text">' . $more_text . '</p>';
	} else {
		$content .= " $more_text</p>";
	}
	remove_filter( 'excerpt_more', $filter_excerpt_more );
	return sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $content );
}

/**
 * Registers the `core/post-excerpt` block on the server.
 */
function register_block_core_post_excerpt() {
	register_block_type_from_metadata(
		__DIR__ . '/post-excerpt',
		array(
			'render_callback' => 'render_block_core_post_excerpt',
		)
	);
}
add_action( 'init', 'register_block_core_post_excerpt' );