Change release binary name to 'codegame'

Author: juho05

.github/workflows/release.yml

@@ -22,5 +22,6 @@ jobs:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         goos: ${{ matrix.goos }}
         goarch: ${{ matrix.goarch }}
-        asset_name: codegame-${{matrix.goos}}-${{matrix.goarch}}
+        binary_name: codegame
+        asset_name: codegame-cli-${{matrix.goos}}-${{matrix.goarch}}
         extra_files: LICENSE README.md