feat!: probes generate their own keys and enroll with a join token; node and peer keys are separate [CI]

ci/package-cross-platform.ps1

@@ -66,11 +66,9 @@ try {
             Copy-Item -LiteralPath (Join-Path $root "backend\$role\README.md") -Destination $stage
 
             $executables = @("moshiro-$role$extension")
-            if ($role -eq 'agent') {
-                $enrollName = if ($target.Windows) { 'fleet-enroll.exe' } else { 'fleet-enroll' }
-                Copy-Item -LiteralPath (Join-Path $enrollDirectory $enrollName) -Destination $stage
-                $executables += $enrollName
-            }
+            $enrollName = if ($target.Windows) { 'fleet-enroll.exe' } else { 'fleet-enroll' }
+            Copy-Item -LiteralPath (Join-Path $enrollDirectory $enrollName) -Destination $stage
+            $executables += $enrollName
             if ($target.Os -eq 'linux') {
                 Copy-Item -LiteralPath (Join-Path $root 'packaging/install.sh') -Destination $stage
                 $executables += 'install.sh'