Update swagger files on schedule

.gitea/workflows/update_swagger.yaml

@@ -0,0 +1,30 @@
+name: update swagger
+run-name: update swagger
+
+on:
+  schedule:
+    - cron:  '0 */12 * * *' # every 12 hours on the hour
+  workflow_dispatch:
+
+jobs:
+  update-swagger:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          wget https://github.com/go-gitea/gitea/blob/main/templates/swagger/v1_json.tmpl
+          sed -i "$@" 's/"version": "{{AppVer | JSEscape | Safe}}"/"version": "dev"/' static/swagger-latest.json
+
+          wget https://github.com/go-gitea/gitea/blob/v1.22.2/templates/swagger/v1_json.tmpl
+          sed -i "$@" 's/"version": "{{AppVer | JSEscape | Safe}}"/"version": "1.22.2"/' static/swagger-1.22.json
+
+      - name: push swagger to repo
+        uses: appleboy/git-push-action@v0.0.3
+        with:
+          author_email: "teabot@gitea.io"
+          author_name: GiteaBot
+          branch: main
+          commit: true
+          commit_message: "[skip ci] Updated swagger files"
+          remote: "git@gitea.com:gitea/docs.git"
+          ssh_key: ${{ secrets.DEPLOY_KEY }}