fix DibiAdapter v3 compatibility

Author: JanTvrdik

src/Bridges/Dibi/DibiAdapter.php

@@ -36,7 +36,13 @@ public function query(string $sql): array
 
 	public function exec(string $sql): int
 	{
-		return $this->conn->nativeQuery($sql)->getRowCount();
+		$result = $this->conn->nativeQuery($sql);
+
+		if (is_int($result)) {
+			return $result;
+		}
+
+		return $result->getRowCount();
 	}
 
 
@@ -54,7 +60,7 @@ public function escapeInt(int $value): string
 
 	public function escapeBool(bool $value): string
 	{
-		return $this->conn->getDriver()->escapeBool($value);
+		return (string) $this->conn->getDriver()->escapeBool($value);
 	}