[TASK] Set version to 6.4.0

Author: christianbltr

ChangeLog

@@ -1,6 +1,6 @@
 ChangeLog
 
-Upcoming version
+Version 6.4.0, 14 March 2025
 [FEATURE] Index tag titles as hidden content, https://github.com/tpwd/ke_search/issues/183
 [FEATURE] Set default sorting direction for "customranking" to "desc". Thanks to Markus Hackel. https://github.com/tpwd/ke_search/issues/279
 [BUGFIX]  Fix typo in constants.typoscript filename. Thanks to nebrot. https://github.com/tpwd/ke_search/commit/e762364111a78ea8b2378b634ca7cf77d3ae0903#r151745378

ext_emconf.php

@@ -5,7 +5,7 @@
     'title' => 'Faceted Search',
     'description' => 'Faceted fulltext search for TYPO3. Fast, flexible and easy to install and use. Indexes content directly from the databases. Features faceting / filtering, file indexing, images in result lists and respects access restrictions.',
     'category' => 'plugin',
-    'version' => '6.3.0',
+    'version' => '6.4.0',
     'state' => 'stable',
     'author' => 'ke_search Dev Team',
     'author_email' => 'ke_search@tpwd.de',