add workflow to update packages using Ansible playbook

.gitea/workflows/update-packages.yml

@@ -0,0 +1,24 @@
+name: Update packages using ansible playbook
+
+on:
+  schedule:
+    - cron: '@daily'
+  workflow_dispatch:
+
+jobs:
+  update-packages:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Run Ansible playbook
+        uses: docker://alpine/ansible:2.18.6
+        env:
+          ANSIBLE_HOST_KEY_CHECKING: 'false'
+          SSH_KEY: ${{ secrets.ANSIBLE_PRIVATE_KEY }}
+          BECOME_PASS: ${{ secrets.ANSIBLE_BECOME_PASS }}
+        with:
+          args: echo ${SSH_KEY} > /mnt/default-key && \
+                echo ${BECOME_PASS} > /mnt/become-pass.txt && \
+                ansible-playbook -i inventory.yml --vault-pass-file /mnt/become-pass.txt --key-file /mnt/default-key playbooks/update-packages.yml