clwb: move clion-2021.2 to clion-oss-beta
clwb: move clion-2021.2 to clion-oss-beta

PiperOrigin-RevId: 392412112

bazelbuild/intellij,bazelbuild/intellij,bazelbuild/intellij,bazelbuild/intellij,bazelbuild/intellij,bazelbuild/intellij,bazelbuild/intellij