Animal-sniffer fails to detect Spliterator is missing from Java-1.7 signatures

[lukehutch]

When building the ClassGraph project, Animal Sniffer fails to detect that Spliterator is not part of the Java 1.7 API, using the java17 signatures:

https://github.com/classgraph/classgraph/issues/363

When building, this is what I see:

[INFO] --- maven-enforcer-plugin:3.0.0-M2:enforce (check-signatures) @ classgraph ---
[INFO] Checking unresolved references to org.codehaus.mojo.signature:java17:1.0
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS