Bump the dependencies group with 4 updates (#39)

* ---
updated-dependencies:
- dependency-name: org.testcontainers:junit-jupiter
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: org.testcontainers:testcontainers
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: org.testcontainers:testcontainers
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: jvm
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
- dependency-name: plugin.spring
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

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

* Update README.md

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Roger Viñas Alcon <roger.vinas@fastzink.com>

README.md

@@ -1,6 +1,6 @@
 [![CI](https://github.com/rogervinas/spring-cloud-stream-kafka-streams-processor/actions/workflows/gradle.yml/badge.svg?branch=master)](https://github.com/rogervinas/spring-cloud-stream-kafka-streams-processor/actions/workflows/gradle.yml)
 ![Java](https://img.shields.io/badge/Java-21-blue?labelColor=black)
-![Kotlin](https://img.shields.io/badge/Kotlin-1.9.23-blue?labelColor=black)
+![Kotlin](https://img.shields.io/badge/Kotlin-2.0.0-blue?labelColor=black)
 ![SpringBoot](https://img.shields.io/badge/SpringBoot-3.2.5-blue?labelColor=black)
 ![SpringCloud](https://img.shields.io/badge/SpringCloud-2023.0.1-blue?labelColor=black)
 

build.gradle.kts

@@ -5,8 +5,8 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 plugins {
   id("org.springframework.boot") version "3.2.5"
   id("io.spring.dependency-management") version "1.1.5"
-  kotlin("jvm") version "1.9.23"
-  kotlin("plugin.spring") version "1.9.23"
+  kotlin("jvm") version "2.0.0"
+  kotlin("plugin.spring") version "2.0.0"
 }
 
 group = "com.rogervinas"
@@ -18,7 +18,7 @@ repositories {
 }
 
 val springCloudVersion = "2023.0.1"
-val testContainersVersion = "1.19.7"
+val testContainersVersion = "1.19.8"
 
 dependencies {
   implementation("org.jetbrains.kotlin:kotlin-reflect")