Update Kotlin to v1.9.0

renovate[bot] · web-flow · commit 3a6bdceb003a · 2023-07-06T06:56:33.000Z
diff --git a/build.gradle b/build.gradle
@@ -1,7 +1,7 @@
 buildscript {
     ext {
         agpVersion = "7.4.2"
-        kotlinVersion = "1.8.21"
+        kotlinVersion = "1.9.0"
         lintVersion = "30.4.2"
     }
 }
