Tag GHA coverage upload with Windows on Win runner

Author: Flamefire

.github/workflows/ci.yml

@@ -496,7 +496,7 @@ jobs:
         with:
           disable_search: true
           files: __out/cobertura.xml
-          name: Github Actions
+          name: Github Actions (Windows)
           token: ${{secrets.CODECOV_TOKEN}}
           verbose: true