Reduce required approvals on Renovate pull requests by 1 (#628)

Author: carlcsaposs-canonical

.github/workflows/approve_renovate_pr.yaml

@@ -0,0 +1,15 @@
+# Copyright 2025 Canonical Ltd.
+# See LICENSE file for licensing details.
+name: Approve Renovate pull request
+
+on:
+  pull_request:
+    types:
+      - opened
+
+jobs:
+  approve-pr:
+    name: Approve Renovate pull request
+    uses: canonical/data-platform-workflows/.github/workflows/approve_renovate_pr.yaml@v30.2.0
+    permissions:
+      pull-requests: write  # Needed to approve PR