ci: prettier output for validate-reqs

Author: wesleyboar

.github/workflows/validate-reqs.yml

@@ -24,11 +24,11 @@ jobs:
           # Check if requirements.txt was modified in last commit
           if git diff --name-only HEAD~1 HEAD | grep -q "^requirements.txt$"; then
             if [ "$AUTHOR" != "github-actions[bot]" ]; then
-              echo "❌ ERROR: You may NOT edit 'requirements.txt'"
-              echo "To pin dependencies, use 'poetry add <package-name>'."
-              echo "Please remove your changes to requirements.txt, so robot can maintain it."
+              echo "::error::You may NOT edit 'requirements.txt'"
+              echo "::warning::Undo your changes to requirements.txt, so robot can maintain it."
+              echo "::notice::To pin dependencies, use 'poetry add <package-name>'."
               exit 1
             fi
           fi
 
-          echo "✅ SUCCESS: `requirements.txt` not modified unexpectedly"
+          echo "`requirements.txt` unchanged"