added a step to report licenses summary (#6434)

Author: dotansimha

.github/workflows/open-source-summary.yaml

@@ -0,0 +1,26 @@
+name: License Summary
+on:
+  schedule:
+    - cron: '0 9 * * *'
+  workflow_dispatch: {}
+
+jobs:
+  update:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: setup environment
+        uses: ./.github/actions/setup
+        with:
+          codegen: false
+
+      - name: generate license summary
+        run: |
+          npx license-checker --list > LICENSE_SUMMARY.txt
+
+      - name: upload summary to action
+        run: cat LICENSE_SUMMARY.txt >> $GITHUB_STEP_SUMMARY