build(deps): bump org.testcontainers:testcontainers (#561)

Bumps [org.testcontainers:testcontainers](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
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

build.gradle

@@ -131,9 +131,9 @@ testing {
         integrationTest(JvmTestSuite) {
             dependencies {
                 implementation project
-                implementation 'org.testcontainers:junit-jupiter:1.20.2'
-                implementation 'org.testcontainers:localstack:1.20.2'
-                implementation 'org.testcontainers:testcontainers:1.20.2'
+                implementation 'org.testcontainers:junit-jupiter:1.20.3'
+                implementation 'org.testcontainers:localstack:1.20.3'
+                implementation 'org.testcontainers:testcontainers:1.20.3'
             }
         }
         withType(JvmTestSuite).configureEach {