Bump mongodb-driver-sync from 4.8.0 to 4.8.1 (#4149)

Bumps [mongodb-driver-sync](https://github.com/mongodb/mongo-java-driver) from 4.8.0 to 4.8.1.
- [Release notes](https://github.com/mongodb/mongo-java-driver/releases)
- [Commits](mongodb/mongo-java-driver@r4.8.0...r4.8.1)

pom.xml

@@ -28,7 +28,7 @@
 		<mysql.driver.version>8.0.31</mysql.driver.version>
 		<mariadb.driver.version>2.7.7</mariadb.driver.version>
 		<postgresql.driver.version>42.5.1</postgresql.driver.version>
-		<mongodb.driver.version>4.8.0</mongodb.driver.version>
+		<mongodb.driver.version>4.8.1</mongodb.driver.version>
 	</properties>
 
 	<name>Ibis AdapterFramework parent</name>