fix: inline update-3rdparty-licenses.sh script into GH Workflow (#7058)

Author: watson

.github/scripts/update-3rdparty-licenses.sh

@@ -83,4 +83,46 @@ jobs:
           PR_AUTHOR: ${{ github.event.pull_request.user.login }}
           PR_USER_TYPE: ${{ github.event.pull_request.user.type }}
           GITHUB_EVENT_NAME: ${{ github.event_name }}
-        run: ./.github/scripts/update-3rdparty-licenses.sh
+          GITHUB_HEAD_REF: ${{ github.head_ref }}
+        run: |
+          set -e
+
+          if git diff --ignore-space-at-eol --exit-code LICENSE-3rdparty.csv; then
+            echo "✅ LICENSE-3rdparty.csv is already up to date"
+          else
+            echo "📝 LICENSE-3rdparty.csv was modified by license attribution command"
+
+            if [[ "$PR_USER_TYPE" == "Bot" ]] && [[ "${GITHUB_EVENT_NAME}" == "pull_request" ]]; then
+              echo "🤖 Bot-created PR detected. Auto-committing LICENSE-3rdparty.csv changes..."
+
+              git config --local user.email "action@github.com"
+              git config --local user.name "GitHub Action"
+
+              git add LICENSE-3rdparty.csv
+              git commit -m "Update LICENSE-3rdparty.csv"
+
+              git push origin HEAD:${GITHUB_HEAD_REF}
+
+              echo "✅ Successfully committed and pushed LICENSE-3rdparty.csv updates"
+            else
+              echo "❌ The LICENSE-3rdparty.csv file needs to be updated!"
+              echo ""
+              echo "The license attribution command has modified LICENSE-3rdparty.csv."
+              echo ""
+              echo "To fix this issue:"
+              echo "1. Set up dd-license-attribution locally by following the installation instructions in:"
+              echo "   https://github.com/DataDog/dd-license-attribution"
+              echo "2. Run the license CSV generation command locally:"
+              echo "   dd-license-attribution generate-sbom-csv \\"
+              echo "     --no-scancode-strategy \\"
+              echo "     --no-github-sbom-strategy \\"
+              echo "     https://github.com/datadog/dd-trace-js > LICENSE-3rdparty.csv"
+              echo "3. Append vendored dependencies:"
+              echo "   cat .github/vendored-dependencies.csv >> LICENSE-3rdparty.csv"
+              echo "4. Commit the updated LICENSE-3rdparty.csv file"
+              echo "5. Push your changes"
+              echo ""
+              echo "This helps keep the 3rd-party license information accurate."
+              exit 1
+            fi
+          fi