Upgrade to Spring Framework 6.1.

Fixes GH-2163.

Author: odrotbohm

parent/pom.xml

@@ -128,7 +128,7 @@
 		<rxjava3>3.1.8</rxjava3>
 		<smallrye-mutiny>1.10.0</smallrye-mutiny>
 		<slf4j>2.0.2</slf4j>
-		<spring>6.1.0-SNAPSHOT</spring>
+		<spring>6.1.0</spring>
 		<antora.playbook>src/main/antora/antora-playbook.yml</antora.playbook>
 		<spring-antora>0.0.3</spring-antora>
 		<spring-asciidoctor-backends.version>0.0.7</spring-asciidoctor-backends.version>