try using native actions solution for creating releases

.github/workflows/ci.yml

@@ -39,13 +39,23 @@ jobs:
       with:
         path: 
           Rebuilder/obj/Release/Rebuilder.exe
-
-    - name: Upload to Releases
-      shell: bash
-      if: github.event_name == 'push'
+          
+    - name: Create Release
+      uses: actions/create-release@v1
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        TRAVIS_REPO_SLUG: itsmattkc/LEGOIslandRebuilder
-      run: |
-        curl -fLOSs --retry 2 --retry-delay 60 https://github.com/probonopd/uploadtool/raw/master/upload.sh
-        ./upload.sh Rebuilder/obj/Release/Rebuilder.exe
+      with:
+        tag_name: ${{ github.ref }}
+        release_name: Release ${{ github.ref }}
+        draft: false
+        prerelease: false
+
+    - name: Upload Release Asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
+        asset_path: Rebuilder/obj/Release/Rebuilder.exe
+        asset_name: Rebuilder.exe
+        asset_content_type: application/octet-stream