Spring ApiDiff task fails as it tries to download spring-core-graalvm

Trying to generate the API diff for M5 (against M4) leads to the following.

./gradlew apiDiff -PbaselineVersion=6.0.0-M4


> Task :spring-core-graalvm:apiDiff FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':spring-core-graalvm:apiDiff'.
> Could not resolve all files for configuration ':detachedConfiguration8'.
   > Could not find org.springframework:spring-core-graalvm:6.0.0-M4.
     Searched in the following locations:
       - https://repo.maven.apache.org/maven2/org/springframework/spring-core-graalvm/6.0.0-M4/spring-core-graalvm-6.0.0-M4.pom
       - https://repo.spring.io/libs-spring-framework-build/org/springframework/spring-core-graalvm/6.0.0-M4/spring-core-graalvm-6.0.0-M4.pom
       - https://repo.spring.io/milestone/org/springframework/spring-core-graalvm/6.0.0-M4/spring-core-graalvm-6.0.0-M4.pom
     Required by:
         project :

Comment From: bclozel

The missing ApiDiff report was published as well here: https://docs.spring.io/spring-framework/docs/6.0.0-M4_to_6.0.0-M5/