feat: upgrade negentropy-kmp to v1.0.2, enable macosArm64 target

negentropy-kmp v1.0.2 now publishes a macosArm64 artifact, unblocking
the macOS native target. Wired macosMain/macosTest source sets through
appleMain/appleTest and updated run_all.sh to run the K/Native
benchmark on both Linux (linuxX64) and macOS (macosArm64).

https://claude.ai/code/session_01WSNE6QKiYM2ZutQD2UihCW

quartz/build.gradle.kts

@@ -87,7 +87,7 @@ kotlin {
 
     linuxX64()
 
-    // macosArm64() — blocked until negentropy-kmp publishes a macosArm64 artifact
+    macosArm64()
 
     // This makes sure that the resource file directory is visible for iOS tests.
     val rootDir = "${rootProject.rootDir.path}/quartz/src/commonTest/resources"
@@ -299,8 +299,23 @@ kotlin {
             dependsOn(iosTest.get())
         }
 
-        // macosMain/macosTest source sets exist but are not wired until
-        // negentropy-kmp publishes a macosArm64 artifact.
+        val macosMain =
+            create("macosMain") {
+                dependsOn(appleMain)
+            }
+
+        val macosTest =
+            create("macosTest") {
+                dependsOn(appleTest)
+            }
+
+        val macosArm64Main by getting {
+            dependsOn(macosMain)
+        }
+
+        val macosArm64Test by getting {
+            dependsOn(macosTest)
+        }
 
         val linuxMain =
             create("linuxMain") {