Bump testcontainers.version from 1.20.2 to 1.20.3

Bumps `testcontainers.version` from 1.20.2 to 1.20.3.

Updates `org.testcontainers:testcontainers` 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)

Updates `org.testcontainers:junit-jupiter` 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
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.testcontainers:junit-jupiter
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -85,7 +85,7 @@
         <snakeyaml.version>2.3</snakeyaml.version>
         <spotbugs-plugin.version>4.8.6.4</spotbugs-plugin.version>
         <spotbugs.version>4.8.6</spotbugs.version>
-        <testcontainers.version>1.20.2</testcontainers.version>
+        <testcontainers.version>1.20.3</testcontainers.version>
         <unboundid-ldapsdk.version>7.0.1</unboundid-ldapsdk.version>
         <wiremock-jre8.version>2.27.2</wiremock-jre8.version>