fix(migration): set explicit primary key and index names for Oracle compatibility

- setPrimaryKey with explicit name 'pf_definitions_pk' (16 chars) for
  profile_fields_definitions table (table name without prefix is 26 chars,
  requires explicit PK name when >= 23 chars per NC Oracle constraint)
- setPrimaryKey with explicit name 'pf_values_pk' for profile_fields_values
- rename unique index 'profile_fields_val_field_user_uk' (32 chars) to
  'pf_val_def_user_uk' (18 chars); Oracle max identifier length is 30

Fixes #65

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

lib/Migration/Version1000Date20260309120000.php

@@ -64,7 +64,7 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 			$table->addColumn('created_at', Types::DATETIME, []);
 			$table->addColumn('updated_at', Types::DATETIME, []);
 
-			$table->setPrimaryKey(['id']);
+			$table->setPrimaryKey(['id'], 'pf_definitions_pk');
 			$table->addUniqueIndex(['field_key'], 'profile_fields_def_key_uk');
 			$table->addIndex(['active', 'sort_order'], 'pf_def_active_sort_idx');
 		}
@@ -91,8 +91,8 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 			]);
 			$table->addColumn('updated_at', Types::DATETIME, []);
 
-			$table->setPrimaryKey(['id']);
-			$table->addUniqueIndex(['field_definition_id', 'user_uid'], 'profile_fields_val_field_user_uk');
+			$table->setPrimaryKey(['id'], 'pf_values_pk');
+			$table->addUniqueIndex(['field_definition_id', 'user_uid'], 'pf_val_def_user_uk');
 			$table->addIndex(['user_uid'], 'profile_fields_val_user_idx');
 			$table->addIndex(['field_definition_id'], 'profile_fields_val_field_idx');
 			$table->addForeignKeyConstraint(