Bump testcontainers.version from 1.20.2 to 1.20.3 (#1379)

Bumps `testcontainers.version` from 1.20.2 to 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)

Updates `org.testcontainers:testcontainers-bom` 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:junit-jupiter
  dependency-type: direct:production
  update-type: version-update:semver-patch
- 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>

pom.xml

@@ -73,7 +73,7 @@ under the License.
 		<log4j2.version>2.24.1</log4j2.version>
 		<commons.io.version>2.14.0</commons.io.version>
 		<git-code-format-maven-plugin.version>5.3</git-code-format-maven-plugin.version>
-		<testcontainers.version>1.20.2</testcontainers.version>
+		<testcontainers.version>1.20.3</testcontainers.version>
 		<maven.mojo.license.plugin>2.4.0</maven.mojo.license.plugin>
 		<jacoco.maven.plugin>0.8.12</jacoco.maven.plugin>
 		<jacoco.haltOnFailure>false</jacoco.haltOnFailure>