build(deps): bump testcontainers.version from 1.19.8 to 1.20.0

Bumps `testcontainers.version` from 1.19.8 to 1.20.0.

Updates `org.testcontainers:testcontainers` from 1.19.8 to 1.20.0
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.8...1.20.0)

Updates `org.testcontainers:postgresql` from 1.19.8 to 1.20.0
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.8...1.20.0)

---
updated-dependencies:
- dependency-name: org.testcontainers:testcontainers
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.testcontainers:postgresql
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -145,7 +145,7 @@
     <log4j2.version>2.23.1</log4j2.version>
 
     <!-- Testing -->
-    <testcontainers.version>1.19.8</testcontainers.version>
+    <testcontainers.version>1.20.0</testcontainers.version>
     <junit.jupiter.version>5.7.1</junit.jupiter.version>
     <mockito.version>5.12.0</mockito.version>
     <maven-dependency-plugin.version>3.7.1</maven-dependency-plugin.version>