update package release action to use github release to host

Author: garrettgu10

.github/workflows/build-packages.yaml

@@ -56,7 +56,7 @@ jobs:
       - name: Create GitHub Release for pyodide_bucket.bzl
         uses: ncipollo/release-action@v1
         with:
-          artifacts: "packages/pyodide_bucket.bzl"
+          artifacts: "packages/pyodide_bucket.bzl, packages/dist/pyodide-lock.json, packages/dist/pyodide-packages.tar.zip"
           token: ${{ secrets.GITHUB_TOKEN }}
           tag: ${{ inputs.tag }}
           body: "Generated Bazel config file for release ${{ inputs.tag }}. Replace this file in workerd/build to update the Pyodide package bundle."

packages/script.py

@@ -19,6 +19,7 @@ def normalize(name):
 
 def gen_bzl_config(tag, dist):
     bucket_url = "https://pub-45d734c4145d4285b343833ee450ef38.r2.dev/" + tag + "/"
+    github_url = "https://github.com/cloudflare/pyodide-build-scripts/releases/download/" + tag + "/"
     lock_bytes = (dist / "pyodide-lock.json").read_bytes()
     lock_hash = hashlib.sha256(lock_bytes).hexdigest()
     zip_bytes = (dist / "pyodide_packages.tar.zip").read_bytes()
@@ -29,6 +30,7 @@ def gen_bzl_config(tag, dist):
         f.write("# These variables are factored out here because they are being shared by the WORKSPACE files in\n")
         f.write("# both edgeworker and workerd, as well as src/pyodide/BUILD.bazel\n")
         f.write("PYODIDE_PACKAGE_BUCKET_URL = \"" + bucket_url + "\"\n")
+        f.write("PYODIDE_GITHUB_RELEASE_URL = \"" + github_url + "\"\n")
         f.write("PYODIDE_LOCK_SHA256 = \"" + lock_hash + "\"\n")
         f.write("PYODIDE_PACKAGES_TAR_ZIP_SHA256 = \"" + zip_hash + "\"\n")