ci: enable artifact builds for all commits on all branches

- Remove conditional from build-all job in ci.yml
- Previously only ran on main branch and tags
- Now runs on every commit to any branch
- Allows testing binaries from feature branches via artifacts API

.gitea/workflows/ci.yml

@@ -61,9 +61,8 @@ jobs:
           ./nupst-test help
 
   build-all:
-    name: Build All Platforms (Tag/Main only)
+    name: Build All Platforms
     runs-on: ubuntu-latest
-    if: github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/')
 
     steps:
       - name: Checkout code