Upgrade to Spring Plugin 3.0.

Closes #1854.

Author: odrotbohm

parent/pom.xml

@@ -132,7 +132,7 @@
 		<spring>6.0.0-SNAPSHOT</spring>
 		<spring-asciidoctor-backends.version>0.0.3</spring-asciidoctor-backends.version>
 		<spring-hateoas>2.0.0-RC2</spring-hateoas>
-		<spring-plugin>3.0.0-RC1</spring-plugin>
+		<spring-plugin>3.0.0</spring-plugin>
 		<servlet-api>6.0.0</servlet-api>
 		<testcontainers>1.17.5</testcontainers>
 		<validation>3.0.2</validation>