chore: add generate-baton-metadata workflow via baton-admin

Author: baton-admin[bot]

.github/workflows/generate-baton-metadata.yaml

@@ -0,0 +1,36 @@
+# This file is managed by baton-admin. Do not edit directly.
+name: Generate Baton Metadata
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  generate_outputs:
+    if: github.actor != 'github-actions[bot]'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.RELENG_GITHUB_TOKEN }}
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: "go.mod"
+
+      - name: Build
+        run: go build -o connector ./cmd/baton-privx
+
+      - name: Run and save capabilities output
+        run: ./connector capabilities > baton_capabilities.json
+
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
+        with:
+          default_author: github_actions
+          message: "Updating baton capabilities."
+          add: "baton_capabilities.json"