Add Spring Boot Docker Compose Dependency

This helps so that the Docker instances start up automatically
in the event they aren't already running.

servlet/spring-boot/java/saml2/refreshable-metadata/build.gradle

@@ -30,6 +30,7 @@ dependencies {
 	testImplementation 'org.htmlunit:htmlunit'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.springframework.security:spring-security-test'
+	runtimeOnly "org.springframework.boot:spring-boot-docker-compose"
 }
 
 tasks.withType(Test).configureEach {

servlet/spring-boot/java/saml2/saml-extension-federation/build.gradle

@@ -29,6 +29,7 @@ dependencies {
 	testImplementation 'org.htmlunit:htmlunit'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.springframework.security:spring-security-test'
+	runtimeOnly "org.springframework.boot:spring-boot-docker-compose"
 }
 
 tasks.withType(Test).configureEach {

servlet/spring-boot/java/saml2/saml-extension-urls/build.gradle

@@ -29,6 +29,7 @@ dependencies {
 	testImplementation 'org.htmlunit:htmlunit'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.springframework.security:spring-security-test'
+	runtimeOnly "org.springframework.boot:spring-boot-docker-compose"
 }
 
 tasks.withType(Test).configureEach {