test: try to avoid rate limits for Meta Llama (#2745)

* test: try to avoid rate limits for Meta Llama

* increase limit

Author: anakin87

.github/workflows/meta_llama.yml

@@ -33,6 +33,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
         python-version: ["3.10", "3.13"]
+      max-parallel: 3  # to avoid rate limiting        
 
     steps:
       - name: Support longpaths