GRD: update 2019.2 EAPs
GRD: update 2019.2 EAPs

Also, increase untilBuild to `193.*` to make plugin compatible with 2019.3 nightly builds

intellij-rust/intellij-rust,Undin/intellij-rust,Undin/intellij-rust,intellij-rust/intellij-rust,Undin/intellij-rust,Undin/intellij-rust,Undin/intellij-rust,intellij-rust/intellij-rust,intellij-rust/intellij-rust,Undin/intellij-rust,intellij-rust/intellij-rust,intellij-rust/intellij-rust