Bump org.testcontainers:testcontainers-bom from 1.20.1 to 1.20.2 (#2848)

Bumps [org.testcontainers:testcontainers-bom](https://github.com/testcontainers/testcontainers-java) from 1.20.1 to 1.20.2.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.1...1.20.2)

---
updated-dependencies:
- dependency-name: org.testcontainers:testcontainers-bom
  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

@@ -72,7 +72,7 @@ ext {
 	springDataVersion = '2024.0.4'
 	springRetryVersion = '2.0.9'
 	springVersion = '6.2.0-SNAPSHOT'
-	testcontainersVersion = '1.20.1'
+	testcontainersVersion = '1.20.2'
 	zstdJniVersion = '1.5.6-6'
 
 	javaProjects = subprojects - project(':spring-amqp-bom')