Encode revision in remote URL (#507)

Required to support accessing PRs on the HF Hub

src/utils/hub.js

@@ -398,7 +398,7 @@ export async function getModelFile(path_or_repo_id, filename, fatal = true, opti
         env.remoteHost,
         env.remotePathTemplate
             .replaceAll('{model}', path_or_repo_id)
-            .replaceAll('{revision}', revision),
+            .replaceAll('{revision}', encodeURIComponent(revision)),
         filename
     );