updated action

.gitea/workflows/build-pdf.yaml

@@ -35,11 +35,28 @@ jobs:
         run: |
           chmod +x build.sh
           ./build.sh
+      - name: Update Nightly Tag
+              # This moves the 'nightly' tag to the current commit
+        run: |
+          git config user.name "Gitea Actions"
+          git config user.email "actions@gitea.local"
+          # Force create/move the tag locally
+          git tag -f nightly
+          # Force push the tag to the remote
+          git push -f origin nightly
 
-      - name: Upload Artifacts
-        uses: actions/upload-artifact@v3
+      - name: Publish Nightly Release
+        uses: softprops/action-gh-release@v1
         with:
-          name: mathe-merkblaetter
-          # Your script outputs to the ./build directory
-          path: build/*.pdf
-          if-no-files-found: error
+          tag_name: nightly
+          name: Nightly Build
+          body: |
+            **Automated Nightly Build**
+            
+            Triggered by commit: `${{ gitea.sha }}`
+            Date: ${{ gitea.event.head_commit.timestamp }}
+          files: build/*.pdf
+          prerelease: true
+          draft: false
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}