Update path to build package (#312)

- The artifact folder contained two .tar.xz packages and some other
directories not needed
- Change name of the artifact folder
- Remove .dmg package path ultil we have macOS runners

Author: HugoSilvaSantos

.github/workflows/atfe_nightly_build_and_test.yml

@@ -84,8 +84,5 @@ jobs:
         uses: actions/upload-artifact@v4
         if: success()
         with:
-          name: built-packages-${{ matrix.build_script }}
-          path: |
-            build/**/*.dmg
-            build/**/*.tar.xz
-            build/**/*.zip
+          name: ATfE-packages-${{ matrix.build_script }}
+          path: build/ATfE-*.tar.xz