Add release artifact

.gitea/workflows/build.yaml

@@ -1,5 +1,6 @@
 run-name: Build artifact for ${{gitea.ref_name}} by @${{ gitea.actor }}
 on:
+  release:
   push:
     tags:
       - 'v*'
@@ -41,3 +42,16 @@ jobs:
         with:
           name: ${{gitea.ref_name}}
           path: public/
+  release:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Download workflow run artifact
+        uses: actions/download-artifact@v3
+      - name: release
+        uses: https://gitea.com/actions/release-action@main
+        with:
+          files: |-
+            ${{gitea.ref_name}}
+          api_key: '${{secrets.RELEASE_TOKEN}}'