feat: updated Bengali translation

Author: thorsten

CHANGELOG.md

@@ -47,6 +47,7 @@ This is a log of major user-visible changes in each phpMyFAQ release.
 - updated Mongolian translation
 - updated Arabic translation
 - updated Basque translation
+- updated Bengali translation
 - updated to PHPUnit v12 (Thorsten)
 - migrated codebase to use PHP 8.3 language features (Thorsten)
 - migrated from WYSIWYG editor from TinyMCE to Jodit Editor (Thorsten)