chore(deps): bump org.testcontainers:testcontainers-bom (#421)

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

Author: dependabot[bot]

pom.xml

@@ -21,7 +21,7 @@
         <version.log4j>2.24.1</version.log4j>
         <version.zeebe.testcontainers>3.6.3</version.zeebe.testcontainers>
         <version.junit>5.11.3</version.junit>
-        <version.testcontainers>1.20.2</version.testcontainers>
+        <version.testcontainers>1.20.3</version.testcontainers>
 
         <plugin.version.maven-jar>3.4.2</plugin.version.maven-jar>