Ensure we skip old repository version tests on Windows (#95088)

x-pack/qa/repository-old-versions/build.gradle

@@ -51,7 +51,7 @@ if (OS.current() == OS.MAC && Architecture.current() == Architecture.AARCH64) {
   jdks.legacy.distributionVersion = '8.56.0.23'
 }
 
-if (OS.current() != OS.WINDOWS) {
+if (OS.current() == OS.WINDOWS) {
   logger.warn("Disabling repository-old-versions tests because we can't get the pid file on windows")
 } else {
   /* Register a gradle artifact transformation to unpack resolved elasticsearch distributions. We only resolve