Bump org.springframework:spring-framework-bom from 6.2.7 to 6.2.8 (#10135)

Bumps [org.springframework:spring-framework-bom](https://github.com/spring-projects/spring-framework) from 6.2.7 to 6.2.8.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v6.2.7...v6.2.8)

---
updated-dependencies:
- dependency-name: org.springframework:spring-framework-bom
  dependency-version: 6.2.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -114,7 +114,7 @@ ext {
     springKafkaVersion = '3.3.6'
     springRetryVersion = '2.0.12'
     springSecurityVersion = '6.5.0'
-    springVersion = '6.2.7'
+    springVersion = '6.2.8'
     springWsVersion = '4.1.0'
     testcontainersVersion = '1.21.1'
     tomcatVersion = '11.0.8'