Bump org.springframework:spring-framework-bom from 6.2.8 to 6.2.9

---
updated-dependencies:
- dependency-name: org.springframework:spring-framework-bom
  dependency-version: 6.2.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-org-springframework = "6.2.8"
+org-springframework = "6.2.9"
 org-springframework-security = "6.5.1"
 com-fasterxml-jackson = "2.18.4.1"
 nimbus-jose-jwt = "9.47"