:mega: ktor `1.2.2` has been released! * Upgrade...

# ktor

[cy]

📣 ktor 1.2.2 has been released!

* Upgraded to Kotlin 1.3.40.
* Netty server engine uses native transports when available (#1122).
* Upgraded to Netty 4.1.36 (#1190).
* Added JVM shutdown hooks in server engines (#1111, #1164).
* Introduced challenge builder functions in server auth providers (#366, #921, #1130, #798).
* Segmentation fault is fixed in native clients (#1135).
* Improved gracefull shutdown in ktor client engines Jetty and Apache.
* Removed kotlin-reflect from ktor jvm clients (#1162).
* Client threads daemonized (#1170).
* Relaxed client cookie value restrictions (#1069).
* Fixed empty client requests with okhttp engine (#1175).
* API cleanup, deprecations.
* kotlinx.coroutines 1.2.2, kotlinx.serialization 0.11.1.