Bump org.springframework:spring-web from 4.2.4.RELEASE to 6.1.21

Bumps [org.springframework:spring-web](https://github.com/spring-projects/spring-framework) from 4.2.4.RELEASE to 6.1.21.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v4.2.4.RELEASE...v6.1.21)

---
updated-dependencies:
- dependency-name: org.springframework:spring-web
  dependency-version: 6.1.21
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -51,7 +51,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
-            <version>4.2.4.RELEASE</version>
+            <version>6.1.21</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>