Upgrade to Mongodb 3.8.1

Closes gh-14390

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -130,7 +130,7 @@
 		<micrometer.version>1.0.6</micrometer.version>
 		<mockito.version>2.22.0</mockito.version>
 		<mongo-driver-reactivestreams.version>1.9.0</mongo-driver-reactivestreams.version>
-		<mongodb.version>3.8.0</mongodb.version>
+		<mongodb.version>3.8.1</mongodb.version>
 		<mssql-jdbc.version>6.4.0.jre8</mssql-jdbc.version>
 		<mysql.version>8.0.12</mysql.version>
 		<nekohtml.version>1.9.22</nekohtml.version>