Bump the dependencies group with 3 updates (#50)

* ---
updated-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] <[email protected]>

* Update README.md

---------

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

README.md

@@ -1,6 +1,6 @@
 ![CI](https://github.com/rogervinas/spring-cloud-stream-kafka-step-by-step/actions/workflows/gradle.yml/badge.svg)
 ![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"
@@ -29,7 +29,7 @@ dependencies {
 	implementation("org.jetbrains.kotlin:kotlin-reflect")
 	implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
 
-	implementation("org.testcontainers:testcontainers:1.19.7")
+	implementation("org.testcontainers:testcontainers:1.19.8")
 
 	testImplementation("org.springframework.boot:spring-boot-starter-test")
 	testImplementation("com.nhaarman:mockito-kotlin:1.6.0")