Bump org.springframework:spring-web

Bumps [org.springframework:spring-web](https://github.com/spring-projects/spring-framework) from 4.3.10.RELEASE to 6.1.21.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v4.3.10.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] <[email protected]>

Author: dependabot[bot]

agent-plugins/agent-spring-plugins/agent-resttemplate-4.x-plugin/pom.xml

@@ -14,7 +14,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring-web.version>4.3.10.RELEASE</spring-web.version>
+        <spring-web.version>6.1.21</spring-web.version>
     </properties>
 
     <dependencies>