Update dependency com.puppycrawl.tools:checkstyle to v10.12.0

Author: renovate[bot]

spring-boot-rabbitmq-thymeleaf/pom.xml

@@ -175,7 +175,7 @@
 					<dependency>
 						<groupId>com.puppycrawl.tools</groupId>
 						<artifactId>checkstyle</artifactId>
-						<version>10.11.0</version>
+						<version>10.12.0</version>
 					</dependency>
 				</dependencies>
 				<configuration>