Upgrade to Liquibase 3.8.9

Closes gh-21200

Author: snicoll

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

@@ -147,7 +147,7 @@
 		<kotlin.version>1.3.72</kotlin.version>
 		<kotlin-coroutines.version>1.3.5</kotlin-coroutines.version>
 		<lettuce.version>5.2.2.RELEASE</lettuce.version>
-		<liquibase.version>3.8.8</liquibase.version>
+		<liquibase.version>3.8.9</liquibase.version>
 		<log4j2.version>2.12.1</log4j2.version>
 		<logback.version>1.2.3</logback.version>
 		<lombok.version>1.18.12</lombok.version>