Bump org.springframework:spring-framework-bom from 6.1.19 to 6.1.20

Bumps [org.springframework:spring-framework-bom](https://github.com/spring-projects/spring-framework) from 6.1.19 to 6.1.20.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v6.1.19...v6.1.20)

---
updated-dependencies:
- dependency-name: org.springframework:spring-framework-bom
  dependency-version: 6.1.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -115,7 +115,7 @@ ext {
     springKafkaVersion = '3.2.8'
     springRetryVersion = '2.0.12'
     springSecurityVersion = '6.3.9'
-    springVersion = '6.1.19'
+    springVersion = '6.1.20'
     springWsVersion = '4.0.14'
     testcontainersVersion = '1.19.8'
     tomcatVersion = '10.1.41'