fix(deps): update testcontainers-java monorepo to v1.20.6 (#1777)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts

@@ -136,7 +136,7 @@ testing {
       implementation(project(project.path))
 
       implementation(enforcedPlatform("org.junit:junit-bom:5.12.0"))
-      implementation(enforcedPlatform("org.testcontainers:testcontainers-bom:1.20.5"))
+      implementation(enforcedPlatform("org.testcontainers:testcontainers-bom:1.20.6"))
       implementation(enforcedPlatform("com.google.guava:guava-bom:33.4.0-jre"))
       implementation(enforcedPlatform("com.linecorp.armeria:armeria-bom:1.32.0"))
 

dependencyManagement/build.gradle.kts

@@ -51,7 +51,7 @@ dependencies {
     api("org.junit-pioneer:junit-pioneer:1.9.1")
     api("org.skyscreamer:jsonassert:1.5.3")
     api("org.apache.kafka:kafka-clients:3.9.0")
-    api("org.testcontainers:kafka:1.20.5")
+    api("org.testcontainers:kafka:1.20.6")
     api("com.lmax:disruptor:3.4.4")
     api("org.jctools:jctools-core:4.0.5")
     api("tools.profiler:async-profiler:3.0")