fix: expose conclusion output (#1549)

test/action-metadata.test.ts

@@ -0,0 +1,15 @@
+import { readFileSync } from "node:fs";
+import { describe, expect, test } from "bun:test";
+
+describe("action metadata", () => {
+  test("should expose the conclusion output from the run step", () => {
+    const metadata = readFileSync(
+      new URL("../action.yml", import.meta.url),
+      "utf8",
+    );
+
+    expect(metadata).toMatch(
+      /^  conclusion:\n    description: .+\n    value: \$\{\{ steps\.run\.outputs\.conclusion \}\}$/m,
+    );
+  });
+});