chore(deps): update testcontainers-java monorepo to v1.20.6 (#4103)

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

Author: renovate[bot]

pom.xml

@@ -42,7 +42,7 @@
         <hazelcast-tests.version>5.5.0</hazelcast-tests.version>
         <findbugs-jsr305.version>3.0.2</findbugs-jsr305.version>
         <awaitility.version>4.3.0</awaitility.version>
-        <testcontainers.version>1.20.5</testcontainers.version>
+        <testcontainers.version>1.20.6</testcontainers.version>
         <eureka-client.version>3.1.1</eureka-client.version>
         <jetty.version>12.0.16</jetty.version>