fix: skip choco installation on non-windows

src/chocolatey/__tests__/chocolatey.test.ts

@@ -5,6 +5,9 @@ jest.setTimeout(100000)
 
 describe("setup-chocolatey", () => {
   it("should setup chocolatey", async () => {
+    if (process.platform !== "win32") {
+      return
+    }
     await setupChocolatey()
 
     const { status } = spawn("choco", ["--version"], {

src/chocolatey/chocolatey.ts

@@ -2,6 +2,10 @@ import { exec } from "@actions/exec"
 import which from "which"
 
 export async function setupChocolatey() {
+  if (process.platform !== "win32") {
+    return
+  }
+
   if (which.sync("choco", { nothrow: true }) !== null) {
     return
   }