Changelog: add #14633

Author: jeherve

readme.txt

@@ -127,6 +127,7 @@ There are opportunities for developers at all levels to contribute. [Learn more
 * Map block: only show the Add Marker UI if there are no markers.
 * Map block: prevent an unselected block from accidentally capturing scrolling.
 * OpenTable block: avoid error when inserting some specific embed codes.
+* OpenTable block: fix alignment issues when center-aligning the block.
 * Secure Sign On: do not display feature message when logging in to WordPress.com's central dashboard.
 
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