fix(deps): update dependency de.codecentric:spring-boot-admin-starter-server to v3.5.4 (#168)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

admin-service/pom.xml

@@ -21,7 +21,7 @@
         <dependency>
             <groupId>de.codecentric</groupId>
             <artifactId>spring-boot-admin-starter-server</artifactId>
-            <version>3.5.3</version>
+            <version>3.5.4</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>