Merge pull request #87 from stackhpc/unauthenticated

Support unauthenticated access to public buckets

Author: markgoddard

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.66.1
+          toolchain: 1.70.0
           override: true
 
       - name: Publish crate to crates.io