try fix

Author: nitins17

.github/workflows/build_artifacts.yml

@@ -75,8 +75,9 @@ jobs:
       - id: set-matrix
         run: |
             artifacts=()
+            is_workflow_call=${{ inputs.is_workflow_call }}
             # Build every package if not a workflow call
-            if [[ ${${{ inputs.is_workflow_call }}:-0}  == "0" ]]; then
+            if [[ ${is_workflow_call:-0} == "0" ]]; then
               artifacts=("'jax'" ", 'jaxlib'" ", 'jax-cuda-pjrt'" ", 'jax-cuda-plugin'")
             else
               if [[ ${${{ inputs.build_jax }}:-0} == "1" ]]; then