[Gradle][MPP] MPPBuildReproducibilityIT | ArchiveReproducibilityTest: Include js target

^KT-52740 Verification Pending

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/MPPBuildReproducibility/simpleMultiplatformProject/build.gradle.kts

@@ -13,6 +13,7 @@ repositories {
 
 kotlin {
     jvm()
+    js { browser() }
     linuxX64()
     linuxArm64()
 

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/MPPBuildReproducibility/simpleMultiplatformProject/src/jsMain/kotlin/JsMain.kt

@@ -0,0 +1 @@
+actual fun commonMainExpect() = "Hello from JVM"

libraries/tools/kotlin-gradle-plugin/src/functionalTest/kotlin/org/jetbrains/kotlin/gradle/ArchiveReproducibilityTest.kt

@@ -26,6 +26,7 @@ class ArchiveReproducibilityTest {
         val project = buildProjectWithMPP {
             kotlin {
                 jvm()
+                js { browser() }
                 linuxX64()
                 linuxArm64()