[Gradle Release Plugin] - creating tag: 'v2.6.0-RC1'.

2.5.0 release

[Gradle Release Plugin] - creating tag: 'v2.5.0-RC2'.

[Gradle Release Plugin] - creating tag: 'v2.5.0-RC1'.

Apache Beam 2.4.0

[maven-release-plugin] copy for tag v2.4.0-RC3

[maven-release-plugin] copy for tag v2.4.0-RC2

[maven-release-plugin] copy for tag v2.4.0-RC1

[maven-release-plugin] copy for tag v2.3.0-RC3

[maven-release-plugin] copy for tag v2.3.0-RC3