Use self.path in self.archive_path

Author: Bastien Abadie

backend/code_coverage_backend/report.py

@@ -81,7 +81,7 @@ def path(self):
     @property
     def archive_path(self):
         """Local path on FS, compressed"""
-        return os.path.join(self.base_dir, f"{self.name}.json.zstd")
+        return f"{self.path}.zstd"
 
     @property
     def gcp_path(self):