Bump org.springframework:spring-framework-bom from 6.1.7 to 6.1.8 (#2723)

Bumps [org.springframework:spring-framework-bom](https://github.com/spring-projects/spring-framework) from 6.1.7 to 6.1.8.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v6.1.7...v6.1.8)

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

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Author: dependabot[bot]

build.gradle

@@ -70,7 +70,7 @@ ext {
 	snappyVersion = '1.1.10.5'
 	springDataVersion = '2023.1.6'
 	springRetryVersion = '2.0.6'
-	springVersion = '6.1.7'
+	springVersion = '6.1.8'
 	testcontainersVersion = '1.19.8'
 	zstdJniVersion = '1.5.6-3'