AC-11995:Add compatibility with MySQL 8.4 LTS

Author: glo17680

dev/tests/setup-integration/_files/Magento/TestSetupDeclarationModule1/etc/db_schema.xml

@@ -24,6 +24,9 @@
         <constraint xsi:type="primary" referenceId="tinyint_primary">
             <column name="tinyint_ref"/>
         </constraint>
+        <constraint xsi:type="unique" referenceId="tinyint_ref_unique">
+            <column name="tinyint_ref"/>
+        </constraint>
     </table>
     <table name="auto_increment_test" resource="default">
         <column xsi:type="int" name="int_auto_increment_with_nullable" identity="true" padding="12" unsigned="true"

dev/tests/setup-integration/_files/Magento/TestSetupDeclarationModule1/fixture/declarative_installer/constraint_modification.mysql829.php

@@ -26,6 +26,7 @@
   `bigint_not_default_not_nullable` bigint unsigned NOT NULL,
   `smallint_ref` smallint NOT NULL DEFAULT \'0\',
   PRIMARY KEY (`tinyint_ref`,`smallint_ref`),
+  UNIQUE KEY `REFERENCE_TABLE_TINYINT_REF` (`tinyint_ref`),
   UNIQUE KEY `REFERENCE_TABLE_SMALLINT_REF` (`smallint_ref`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3',
     'test_table' => 'CREATE TABLE `test_table` (