use alpine/ansible image

.gitea/workflows/playbooks.yml

@@ -8,13 +8,15 @@ on:
 jobs:
   update-packages:
     runs-on: ubuntu-latest
+    container:
+      image: alpine/ansible:2.18.6
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
       - name: Setup environment
         run: |
-          apt update && apt install -y ansible && \
           echo -e "${{ secrets.ANSIBLE_PRIVATE_KEY }}" > /mnt/default-key && \
           echo "${{ secrets.ANSIBLE_BECOME_PASS }}" > /mnt/become-pass.txt && \
           chmod 600 /mnt/default-key