Update dependency org.springdoc:springdoc-openapi-starter-webmvc-ui to v2.8.12

Author: renovate[bot]

pom.xml

@@ -264,7 +264,7 @@
     <dependency>
       <groupId>org.springdoc</groupId>
       <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
-      <version>2.8.11</version>
+      <version>2.8.12</version>
     </dependency>
     <dependency>
       <groupId>com.azure.spring</groupId>