fix: List instead of matrix

.github/workflows/release.yaml

@@ -11,7 +11,7 @@ jobs:
     uses: ./.github/workflows/build-and-package.yaml
 
   release:
-    name: publish vscode extension to marketplace
+    name: Publish VSCode Extension to Marketplace & Create GitHub Release
     runs-on: ubuntu-latest
     needs: build-and-package
     if: success() && startsWith(github.ref, 'refs/tags/')
@@ -21,22 +21,18 @@ jobs:
       with:
         name: packages
 
-    - id: set-matrix
+    - name: Create list of vsix files
+      id: set-list
       run: |
-        FILES=$(find . -iname '*.vsix')
-        JSON_STRING='['
-        for FILE in $FILES; do
-          JSON_STRING+='{"file":"'$FILE'"},'
-        done
-        JSON_STRING=$(echo $JSON_STRING | sed 's/,$//')']'
-        echo "MATRIX_JSON=$JSON_STRING" >> $GITHUB_ENV
-        echo "::set-output name=matrix::$JSON_STRING"
+        FILES=$(find . -name "*.vsix" -exec basename {} \; | paste -sd "," -)
+        echo "FILES_LIST=$FILES" >> $GITHUB_ENV
+        echo "::set-output name=files::$FILES"
 
     - name: Publish to GitHub Releases
       uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844 # v1
       if: success() && startsWith(github.ref, 'refs/tags/')
       with:
-        files: ${{ steps.set-matrix.outputs.matrix }}
+        files: ${{ steps.set-list.outputs.files }}
         generate_release_notes: true
         token: ${{ secrets.GITHUB_TOKEN }}