release v2.4.2 (#466)
release v2.4.2 (#466)

* preparing release 2.4.2

* next development version

Co-authored-by: ddixit14 <0f4bcdc1ddcf30355ecee347246088865a39a223@users.noreply.github.com>
GoogleCloudPlatform/app-maven-plugin,GoogleCloudPlatform/app-maven-plugin