Add COPILOT_GITHUB_TOKEN environment variable to action.yml

Author: austenstone

action.yml

@@ -250,6 +250,7 @@ runs:
       env:
         GH_TOKEN: ${{ inputs.github-token }}
         GITHUB_TOKEN: ${{ inputs.github-token }}
+        COPILOT_GITHUB_TOKEN: ${{ inputs.github-token }}
         PROMPT: ${{ inputs.prompt }}
         LOG_LEVEL: ${{ inputs.log-level }}
         ALLOW_ALL_TOOLS: ${{ inputs.allow-all-tools }}