Add bun-download-url to actions.yml and rebuild (#83)

* Add download URL

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

action.yml

@@ -5,6 +5,9 @@ branding:
   icon: play-circle
   color: white
 inputs:
+  bun-download-url:
+    description: "Override the URL to download Bun from. This skips version resolution and verifying AVX2 support."
+    required: false
   bun-version:
     description: 'The version of Bun to install. (e.g. "latest", "canary", "1.0.0", "1.0.x", <sha>)'
     required: false