Gradle 6.4-rc-1 is now available for testing

[ljacomet (Louis Jacomet)]

Gradle 6.4 RC1 is available for testing; see the release notes for more information.

[vlsi (Vladimir Sitnikov)]

@ljacomet, it looks like Gradle 6.4 RC1 queries @Internal task properties before task execution
See https://github.com/gradle/gradle/issues/12627#issuecomment-615205096

Reproducer: https://github.com/vlsi/gradle-issue-reproducers/pull/2/files
Test results: https://github.com/vlsi/gradle-issue-reproducers/pull/2/checks