Fix typo in build.gradle.kts

samples/SkijaInjectSample/build.gradle.kts

@@ -70,5 +70,5 @@ tasks.withType<Test> {
 }
 
 tasks.withType<KotlinCompile>().configureEach {
-    kotlinOptions.freeCompilerArgs += "-Xopt-in=kotlin.RequiresOptI"
+    kotlinOptions.freeCompilerArgs += "-Xopt-in=kotlin.RequiresOptIn"
 }
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