Update testcontainers-scala to 0.43.6 (#1263)

Co-authored-by: scala-steward-asf[bot] <147768647+scala-steward-asf[bot]@users.noreply.github.com>

Author: scala-steward-asf[bot]

project/Dependencies.scala

@@ -37,7 +37,7 @@ object Dependencies {
   val PekkoStreamsCirceVersion = "1.1.0"
   val PekkoHttpBinaryVersion = PekkoHttpDependency.default.link
   val ScalaTestVersion = "3.2.19"
-  val TestContainersScalaTestVersion = "0.43.0"
+  val TestContainersScalaTestVersion = "0.43.6"
   val mockitoVersion = "5.20.0" // check even https://github.com/scalatest/scalatestplus-mockito/releases
   val protobufJavaVersion = "3.25.8"
   val hoverflyVersion = "0.20.2"