Docs: Improve parameter descriptions in `render_block` and `render_block_*` filters.

The former `$block_content` parameter descriptions were too opinionated as block content can be appended, prepended, nested, removed, etc.

Props milana_cap.
Fixes #56286.
See #55646.

Built from https://develop.svn.wordpress.org/trunk@53780


git-svn-id: http://core.svn.wordpress.org/trunk@53339 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-block.php

@@ -277,7 +277,7 @@ class WP_Block {
 		 * @since 5.0.0
 		 * @since 5.9.0 The `$instance` parameter was added.
 		 *
-		 * @param string   $block_content The block content about to be appended.
+		 * @param string   $block_content The block content.
 		 * @param array    $block         The full block, including name and attributes.
 		 * @param WP_Block $instance      The block instance.
 		 */
@@ -292,7 +292,7 @@ class WP_Block {
 		 * @since 5.7.0
 		 * @since 5.9.0 The `$instance` parameter was added.
 		 *
-		 * @param string   $block_content The block content about to be appended.
+		 * @param string   $block_content The block content.
 		 * @param array    $block         The full block, including name and attributes.
 		 * @param WP_Block $instance      The block instance.
 		 */

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53779';
+$wp_version = '6.1-alpha-53780';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.