fix: Use php-ci runner for deploy jobs

- Change deploy-staging and deploy-production to use php-ci runner
- php-ci image has Ansible pre-installed, fixing 'ansible-playbook: command not found' error

.gitea/workflows/build-image.yml

@@ -915,7 +915,7 @@ jobs:
     name: Auto-deploy to Staging
     needs: [changes, build]
     if: ${{ always() && (github.ref_name == 'staging' || github.head_ref == 'staging' || (github.ref_name == '' && contains(github.ref, 'staging'))) && needs.build.result != 'failure' && needs.build.result != 'cancelled' && needs.changes.result != 'failure' && needs.changes.result != 'cancelled' }}
-    runs-on: ubuntu-latest
+    runs-on: php-ci
     environment:
       name: staging
       url: https://staging.michaelschiemer.de
@@ -1064,7 +1064,7 @@ jobs:
     name: Auto-deploy to Production
     needs: [changes, build]
     if: always() && (github.ref_name == 'main' || github.head_ref == 'main' || (github.ref_name == '' && contains(github.ref, 'main'))) && needs.changes.outputs.needs_build == 'true'
-    runs-on: ubuntu-latest
+    runs-on: php-ci
     environment:
       name: production
       url: https://michaelschiemer.de