chore: Push edge binaries to bucket (#8668)

This will allow us to have a redirect URL for edge binaries from the
website as we had before.

The new secret has been created but will need to merge to get access to
it and test.

Signed-off-by: Charlie Egan <charlie_egan@apple.com>

.github/workflows/post-merge.yaml

@@ -193,6 +193,16 @@ jobs:
           merge-multiple: true
           path: _release
 
+      - name: Push edge binaries to bucket
+        env:
+          S3_RELEASE_BINARY_URL: ${{ secrets.S3_RELEASE_BINARY_URL }} # zizmor: ignore[secrets-outside-env]
+        if: ${{ env.S3_RELEASE_BINARY_URL }}
+        run: |
+          for asset in _release/*/opa_*_*; do
+            curl -f -X PUT --data-binary @"$asset" \
+              "${S3_RELEASE_BINARY_URL}/binaries/edge/$(basename "$asset")"
+          done
+
       - name: Create or update dev prerelease
         env:
           GH_TOKEN: ${{ github.token }}