Bump postgresql from 1.12.5 to 1.14.0 (#23)

Bumps [postgresql](https://github.com/testcontainers/testcontainers-java) from 1.12.5 to 1.14.0.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/master/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.12.5...1.14.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

build.gradle

@@ -16,7 +16,7 @@ subprojects {
         testImplementation 'org.jetbrains.kotlin:kotlin-test'
         testImplementation 'org.jetbrains.kotlin:kotlin-test-junit5'
         testImplementation 'io.kotlintest:kotlintest-runner-junit5:3.4.2'
-        testCompile 'org.testcontainers:postgresql:1.12.5'
+        testCompile 'org.testcontainers:postgresql:1.14.0'
         testCompile 'postgresql:postgresql:9.1-901-1.jdbc4'
     }