Merge pull request #1815 from ferclager

* pr/1815:
  Polish "Upgrade to Spring Modulith 1.4.0"
  Upgrade to Spring Modulith 1.4.0

Closes gh-1815

Author: mhalbritter

start-site/src/main/resources/application.yml

@@ -141,9 +141,7 @@ initializr:
           - compatibilityRange: "[3.4.0,3.5.0-M1)"
             version: 1.3.5
           - compatibilityRange: "[3.5.0-M1,3.6.0-M1)"
-            version: 1.4.0-RC1
-            repositories:
-              - spring-milestones
+            version: 1.4.0
       spring-shell:
         groupId: org.springframework.shell
         artifactId: spring-shell-dependencies