Bump org.springframework.ws:spring-ws-bom from 4.0.14 to 4.0.15 (#10141)

Bumps [org.springframework.ws:spring-ws-bom](https://github.com/spring-projects/spring-ws) from 4.0.14 to 4.0.15.
- [Release notes](https://github.com/spring-projects/spring-ws/releases)
- [Commits](spring-projects/spring-ws@v4.0.14...v4.0.15)

---
updated-dependencies:
- dependency-name: org.springframework.ws:spring-ws-bom
  dependency-version: 4.0.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -115,7 +115,7 @@ ext {
     springRetryVersion = '2.0.12'
     springSecurityVersion = '6.4.7'
     springVersion = '6.2.8'
-    springWsVersion = '4.0.14'
+    springWsVersion = '4.0.15'
     testcontainersVersion = '1.20.6'
     tomcatVersion = '10.1.42'
     xmlUnitVersion = '2.10.3'