Remove usages of deprecated in ktor APIs #233

Job	Run time
test / Run JS tests	4m 22s
test / Run JS tests	4m 22s
test / Build project on ubuntu-latest	7m 54s
test / Build project on ubuntu-latest	7m 54s
test / Run JVM tests	7m 4s
test / Run JVM tests	7m 4s
test / Build project on macos-latest	58m 35s
test / Build project on macos-latest	58m 35s
test / Run Native(macosX64) tests	8m 25s
test / Run Native(macosX64) tests	8m 25s
test / Build project on windows-latest	13m 6s
test / Build project on windows-latest	13m 6s
test / Run Native(iosX64) tests	9m 43s
test / Run Native(iosX64) tests	9m 43s
test / Run Native(tvosX64) tests	8m 19s
test / Run Native(tvosX64) tests	8m 12s
test / Run Native(watchosX64) tests	15m 39s
test / Run Native(watchosX64) tests	15m 39s
test / Run Native(linuxX64) tests	6m 14s
test / Run Native(linuxX64) tests	6m 14s
test / Run Native(mingwX64) tests	7m 50s
test / Run Native(mingwX64) tests	7m 50s
test / Publish test report	37s
test / Publish test report	1m 43s
publish	0s
publish / publish	33m 57s
	5h 30m 32s

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