Bump testcontainers from 1.14.3 to 1.15.0

Bumps [testcontainers](https://github.com/testcontainers/testcontainers-java) from 1.14.3 to 1.15.0.
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/master/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.14.3...1.15.0)

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

build.gradle

@@ -18,7 +18,7 @@ repositories {
 
 dependencies {
     testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter', version: '5.7.0'
-    testImplementation group: 'org.testcontainers', name: 'testcontainers', version: '1.14.3'
+    testImplementation group: 'org.testcontainers', name: 'testcontainers', version: '1.15.0'
     testImplementation group: 'org.testcontainers', name: 'junit-jupiter', version: '1.14.3'
 }