Only use architecture of first CPU

Some VMs expose multiple cores as multiple CPUs, which breaks the current check for architecture type. This isolates the first CPU, fixing the incompatibility.

Author: thatcomputerguy0101

src/main/kotlin/com/github/gradle/node/util/PlatformHelper.kt

@@ -96,7 +96,7 @@ fun main(args: Array<String>) {
     val osType = parseOsType(osName)
     val uname = {
         val args = if (osType == OsType.WINDOWS) {
-            listOf("powershell", "-NoProfile", "-Command", "(Get-WmiObject Win32_Processor).Architecture")
+            listOf("powershell", "-NoProfile", "-Command", "(Get-WmiObject Win32_Processor)[0].Architecture")
         } else {
             listOf("uname", "-m")
         }