Upgrade to Spring Framework 6.0 M6.

Closes #1781

Author: mp911de

parent/pom.xml

@@ -129,7 +129,7 @@
 		<rxjava3>3.1.5</rxjava3>
 		<smallrye-mutiny>1.6.0</smallrye-mutiny>
 		<slf4j>1.7.32</slf4j>
-		<spring>6.0.0-SNAPSHOT</spring>
+		<spring>6.0.0-M6</spring>
 		<spring-asciidoctor-backends.version>0.0.3</spring-asciidoctor-backends.version>
 		<spring-hateoas>2.0.0-M5</spring-hateoas>
 		<spring-plugin>3.0.0-M1</spring-plugin>