Bump org.springframework.integration:spring-integration-bom

Bumps [org.springframework.integration:spring-integration-bom](https://github.com/spring-projects/spring-integration) from 5.5.7 to 6.5.0.
- [Release notes](https://github.com/spring-projects/spring-integration/releases)
- [Commits](spring-projects/spring-integration@v5.5.7...v6.5.0)

---
updated-dependencies:
- dependency-name: org.springframework.integration:spring-integration-bom
  dependency-version: 6.5.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

sshd-spring-sftp/pom.xml

@@ -32,7 +32,7 @@
 
     <properties>
         <projectRoot>${project.basedir}/..</projectRoot>
-        <spring.integration.version>5.5.7</spring.integration.version>
+        <spring.integration.version>6.5.0</spring.integration.version>
     </properties>
 
     <dependencyManagement>