Change the trigger to published releases

.github/workflows/ci.yml

@@ -1,14 +1,14 @@
 name: Test matHELICS
-
 on:
   push:
     branches:
       - main
-    tags:
-      - 'v*.*.*'
   pull_request:
     branches:
       - main
+  release:
+    types:
+      - published
   workflow_dispatch:
 
 jobs:
@@ -62,7 +62,7 @@ jobs:
           command: addpath('tests'),addpath('helics'),runAllTests
 
   release:
-    if: startsWith(github.ref, 'refs/tags/')
+    if: github.event_name == 'release' && github.event.action == 'published'
     runs-on: ubuntu-latest
     needs: ci-test
     steps:
@@ -71,11 +71,10 @@ jobs:
         with: # no name specified, so all artifacts will be downloaded
           path: ./artifacts
           merge-multiple: true
+      - name: List files in artifacts
+        run: ls ./artifacts
       - name: Create Release
         uses: softprops/action-gh-release@v2
         with:
-          make_latest: true
-          tag_name: ${{ github.ref }}
-          name: ${{ github.ref }}
-          body: Release for [HELICS ${{ github.ref }}](https://github.com/GMLC-TDC/HELICS/releases/tag/${{ github.ref }})
-          files: ./artifacts/matHELICS-${{ matrix.os }}.*
+          body: Release for [HELICS ${{ github.ref_name }}](https://github.com/GMLC-TDC/HELICS/releases/tag/${{ github.ref_name }})
+          files: ./artifacts/matHELICS-*