fix: pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-7945490
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230373
- https://snyk.io/vuln/SNYK-JAVA-ORGSPRINGFRAMEWORK-8230368

Author: snyk-bot

pom.xml

@@ -142,7 +142,7 @@
         <dependency>
             <groupId>org.springdoc</groupId>
             <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
-            <version>2.6.0</version>
+            <version>2.7.0</version>
         </dependency>
         <!--
             Spring Boot Starter Actuator