ENGCOM-6539: Fix #14001 - M2.2.3 directory_country_region_name locale…

… fix? 8bytes zh_Hans_CN(11bytes) ca_ES_VALENCIA(14bytes) #26268

 - Merge Pull Request #26268 from Bartlomiejsz/magento2:feature/fix_14001_directory_country_region_name_locale_length
 - Merged commits:
   1. 5fe7454

app/code/Magento/Directory/etc/db_schema.xml

@@ -45,7 +45,7 @@
     </table>
     <table name="directory_country_region_name" resource="default" engine="innodb"
            comment="Directory Country Region Name">
-        <column xsi:type="varchar" name="locale" nullable="false" length="8" comment="Locale"/>
+        <column xsi:type="varchar" name="locale" nullable="false" length="16" comment="Locale"/>
         <column xsi:type="int" name="region_id" padding="10" unsigned="true" nullable="false" identity="false"
                 default="0" comment="Region ID"/>
         <column xsi:type="varchar" name="name" nullable="true" length="255" comment="Region Name"/>