Bump org.testcontainers:testcontainers-bom from 1.20.2 to 1.20.3 (#1212)

Bumps [org.testcontainers:testcontainers-bom](https://github.com/testcontainers/testcontainers-java) from 1.20.2 to 1.20.3.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.20.2...1.20.3)

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

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

pom.xml

@@ -106,7 +106,7 @@
         <spring-data-mongodb.version>4.3.5</spring-data-mongodb.version>
         <stax-ex.version>2.1.0</stax-ex.version>
         <stax2-api.version>4.2.2</stax2-api.version>
-        <test-containers.version>1.20.2</test-containers.version>
+        <test-containers.version>1.20.3</test-containers.version>
         <woodstox-core.version>7.0.0</woodstox-core.version>
         <zookeeper.version>3.9.3</zookeeper.version>