Upgrade Spring Boot 3.5.6 -> 3.5.7 (#1933)

See:
- https://github.com/spring-projects/spring-boot/releases/tag/v3.5.7
- spring-projects/spring-boot@v3.5.6...v3.5.7

Author: Picnic-DevPla-Bot

pom.xml

@@ -521,7 +521,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-test</artifactId>
-                <version>3.5.6</version>
+                <version>3.5.7</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.security</groupId>