chore(deps): update org.jetbrains.kotlin to v1.6.20 (#1817)

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Harsh Shandilya <me@msfjarvis.dev>

build-logic/kotlin-plugins/src/main/kotlin/com.github.android-password-store.binary-compatibility.gradle.kts

@@ -17,6 +17,5 @@ apiValidation {
       "diceware",
       "random",
       "sentry-stub",
-      "ui-compose",
     )
 }

build-logic/kotlin-plugins/src/main/kotlin/com.github.android-password-store.kotlin-common.gradle.kts

@@ -12,7 +12,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 val additionalCompilerArgs =
   listOf(
-    "-Xopt-in=kotlin.RequiresOptIn",
+    "-opt-in=kotlin.RequiresOptIn",
     "-P",
     "plugin:androidx.compose.compiler.plugins.kotlin:suppressKotlinVersionCompatibilityCheck=true",
   )