Upgrade to Lombok 1.18.8

Closes gh-16778

Author: snicoll

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

@@ -128,7 +128,7 @@
 		<liquibase.version>3.6.3</liquibase.version>
 		<log4j2.version>2.11.2</log4j2.version>
 		<logback.version>1.2.3</logback.version>
-		<lombok.version>1.18.6</lombok.version>
+		<lombok.version>1.18.8</lombok.version>
 		<mariadb.version>2.3.0</mariadb.version>
 		<micrometer.version>1.1.4</micrometer.version>
 		<mimepull.version>1.9.11</mimepull.version>