Bump org.springframework:spring-web in /user-service

Bumps [org.springframework:spring-web](https://github.com/spring-projects/spring-framework) from 4.2.7.RELEASE to 6.0.18.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v4.2.7.RELEASE...v6.0.18)

---
updated-dependencies:
- dependency-name: org.springframework:spring-web
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

user-service/pom.xml

@@ -72,12 +72,12 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
-            <version>6.0.4</version>
+            <version>6.0.18</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
-            <version>4.2.7.RELEASE</version>
+            <version>6.0.18</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>