add publish to action

.gitea/workflows/maven.yml

@@ -22,3 +22,12 @@ jobs:
           cache: 'maven'
       - name: Build with Maven
         run: mvn -B package --file pom.xml
+      - name: Publish to Gitea Packages
+        uses: gitea/actions/publish-package@v1
+        with:
+          token: ${{ secrets.GITEATOKEN }}
+          owner: ${{ github.repository_owner }}
+          repo: ${{ github.event.repository.name }}
+          package-name: spring-demo
+          package-version: ${{ github.sha }}
+          file: target/your-artifact.jar