fix typo in block-filters.md (#64452)

WordPress/gutenberg#64447 (review)

Source: WordPress/gutenberg@d34ddd4

gutenberg.php

@@ -14,7 +14,7 @@
 
 ### BEGIN AUTO-GENERATED DEFINES
 define( 'GUTENBERG_VERSION', '19.0.0' );
-define( 'GUTENBERG_GIT_COMMIT', '9c96970fdfa010b2b0b710c79c13684398b792f1' );
+define( 'GUTENBERG_GIT_COMMIT', 'd34ddd43e227b4421cf13b0c001a21db4e0264cf' );
 ### END AUTO-GENERATED DEFINES
 
 gutenberg_pre_init();