build(deps): bump org.testcontainers:testcontainers-bom

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]>

Author: dependabot[bot]

pom.xml

@@ -68,7 +68,7 @@
         <spark.version>3.5.2</spark.version>
         <spotless-maven-plugin.version>2.43.0</spotless-maven-plugin.version>
         <surefire.jvm.args/>
-        <testcontainers.version>1.20.2</testcontainers.version>
+        <testcontainers.version>1.20.3</testcontainers.version>
     </properties>
     <dependencyManagement>
         <dependencies>