Bring back autoupdate

.github/workflows/autoupdate.yml

@@ -0,0 +1,48 @@
+name: Autoupdate
+on:
+  push:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 1 * *" # Run every month
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.12
+      - name: Install dependencies
+        run: python3 -m pip install --upgrade pip copier poetry poetry-plugin-up
+      - name: Update template
+        run: make all
+      - name: Check if we should commit
+        id: commit_check
+        run: |
+          if git diff --quiet
+          then
+            echo "should_commit==false" >> $GITHUB_OUTPUT
+          else
+            echo "should_commit==true" >> $GITHUB_OUTPUT
+          fi
+      - name: Commit updated lockfiles
+        uses: EndBug/add-and-commit@v9
+        id: make_commit
+        if: ${{ contains(steps.commit_check.outputs.should_commit, 'true') }}
+        with:
+          default_author: github_actions
+          message: ":robot: :arrow_up: Updated deps and lockfile\n\nThis is an automated action"
+      - name: Generate tag
+        id: gen_tag_name
+        if: ${{ contains(steps.commit_check.outputs.should_commit, 'true') }}
+        run: |
+          git fetch --tags
+          NEW_TAG=$(git tag -l | sort -V | tail -n 1 | awk -F. -v OFS=. 'NF==1{print ++$NF}; NF>1{$NF=sprintf("%0*d", length($NF), ($NF+1)); print}')
+          echo "NEW_TAG=$NEW_TAG" >> "$GITHUB_OUTPUT"
+      - uses: rickstaa/action-create-tag@v1
+        if: ${{ contains(steps.commit_check.outputs.should_commit, 'true') }}
+        with:
+          tag: "${{ steps.gen_tag_name.outputs.NEW_TAG }}"
+          commit_sha: "${{ steps.make_commit.outputs.commit_long_sha }}"