Add additional dependencies for example code

Add additional dependencies useful for the example code.

See gh-6313

spring-boot-project/spring-boot-docs/build.gradle

@@ -69,17 +69,21 @@ dependencies {
 	implementation(project(path: ":spring-boot-project:spring-boot-autoconfigure"))
 	implementation(project(path: ":spring-boot-project:spring-boot-test"))
 	implementation(project(path: ":spring-boot-project:spring-boot-test-autoconfigure"))
+	implementation("ch.qos.logback:logback-classic")
 	implementation("com.zaxxer:HikariCP")
 	implementation("io.micrometer:micrometer-core")
 	implementation("io.projectreactor.netty:reactor-netty-http")
 	implementation("io.undertow:undertow-core")
+	implementation("jakarta.annotation:jakarta.annotation-api")
 	implementation("jakarta.servlet:jakarta.servlet-api")
 	implementation("org.apache.commons:commons-dbcp2")
 	implementation("org.apache.kafka:kafka-streams")
+	implementation("org.apache.logging.log4j:log4j-to-slf4j")
 	implementation("org.apache.tomcat.embed:tomcat-embed-core")
 	implementation("org.assertj:assertj-core")
 	implementation("org.glassfish.jersey.core:jersey-server")
 	implementation("org.hibernate:hibernate-jcache")
+	implementation("org.slf4j:jul-to-slf4j")
 	implementation("org.springframework:spring-test")
 	implementation("org.springframework:spring-web")
 	implementation("org.springframework:spring-webflux")
@@ -93,6 +97,7 @@ dependencies {
 	implementation("org.springframework.security:spring-security-config")
 	implementation("org.springframework.security:spring-security-web")
 	implementation("org.junit.jupiter:junit-jupiter")
+	implementation("org.yaml:snakeyaml")
 
 	mavenPluginDocumentation(project(path: ":spring-boot-project:spring-boot-tools:spring-boot-maven-plugin", configuration: "documentation"))