a fix

Author: hebasto

.github/workflows/run-in-docker.yml

@@ -32,7 +32,7 @@ jobs:
 
       - name: Set environment variables
         run: |
-          read -r -a vars <<< "${{ inputs.workflow_env_vars }} ${{ inputs.job_env_vars }} ${{ inputs.matrix_env_vars }}"
+          IFS=' ' read -r -a vars <<< "${{ inputs.workflow_env_vars }} ${{ inputs.job_env_vars }} ${{ inputs.matrix_env_vars }}"
           for var in "${vars[@]}"; do
             echo "$var" >> "$GITHUB_ENV"
           done