ci: add changesets workflow for renovate PRs (#86)

Author: AVGVSTVS96

.github/workflows/changesets-renovate.yml

@@ -0,0 +1,30 @@
+name: Generate changeset for Renovate
+
+on:
+  merge_group:
+  pull_request_target:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  generate-changeset:
+    runs-on: ubuntu-latest
+    if: github.actor == 'renovate[bot]'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+          ref: ${{ github.head_ref }}
+
+      - name: Git Identity
+        run: |
+          git config --global user.name  "github-actions[bot]"
+          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
+
+      - uses: pnpm/action-setup@v4.1.0
+
+      - name: Run changesets-renovate
+        run: pnpm dlx @scaleway/changesets-renovate