fix: fixes 5095 nvd_sources.py logging (#5127)

* fixes #5095

Author: zjn268

cve_bin_tool/data_sources/nvd_source.py

@@ -84,6 +84,7 @@ def __init__(
         self.nvd_type = nvd_type
         self.incremental_update = incremental_update
         self.all_cve_entries: list[dict[str, object]] | None = None
+        self.logger = LOGGER.getChild(self.__class__.__name__)
 
         # store the nvd api key for use later
         self.nvd_api_key = nvd_api_key