Update dependency org.springdoc:springdoc-openapi-starter-webmvc-ui to v2.8.1

Author: renovate[bot]

springboot2-jpa-swagger3/pom.xml

@@ -54,7 +54,7 @@
 		<dependency>
 			<groupId>org.springdoc</groupId>
 			<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
-			<version>2.5.0</version>
+			<version>2.8.1</version>
 		</dependency>
 
 		<dependency>