Bump org.testcontainers:testcontainers from 2.0.2 to 2.0.3

Bumps [org.testcontainers:testcontainers](https://github.com/testcontainers/testcontainers-java) from 2.0.2 to 2.0.3.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@2.0.2...2.0.3)

---
updated-dependencies:
- dependency-name: org.testcontainers:testcontainers
  dependency-version: 2.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -86,8 +86,8 @@ dependencies {
     testRuntimeOnly 'org.postgresql:postgresql'
 
     // Additional test dependencies for improved testing
-    testImplementation 'org.testcontainers:testcontainers:2.0.2'
-    testImplementation 'org.testcontainers:testcontainers-mariadb:2.0.2'
+    testImplementation 'org.testcontainers:testcontainers:2.0.3'
+    testImplementation 'org.testcontainers:testcontainers-mariadb:2.0.3'
     testImplementation 'com.github.tomakehurst:wiremock:3.0.1'
     testImplementation 'com.tngtech.archunit:archunit-junit5:1.4.1'
     testImplementation 'org.assertj:assertj-core:3.27.6'