Update Kotlin to 1.9.21

Author: rickclephas

.idea/kotlinc.xml

@@ -1,15 +1,15 @@
 [versions]
-kotlin = "1.9.20"
+kotlin = "1.9.21"
 kotlinx-coroutines = "1.7.3"
 android = "7.4.2"
 androidx-lifecycle = "2.6.2"
 
 # Sample versions
 androidx-compose = "2023.06.01"
-androidx-compose-compiler = "1.5.4-dev-k1.9.20-50f08dfa4b4"
+androidx-compose-compiler = "1.5.5-dev-k1.9.21-163bb051fe5"
 androidx-fragment = "1.6.1"
-ksp = "1.9.20-1.0.13"
-nativecoroutines = "1.0.0-ALPHA-19"
+ksp = "1.9.21-1.0.15"
+nativecoroutines = "1.0.0-ALPHA-22"
 
 [libraries]
 kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }