fix(importer): update log message with error details (#2574)

Add error message into the log for better debugging

---------

Co-authored-by: Andrew Pollock <andrewpollock@users.noreply.github.com>

docker/importer/importer.py

@@ -700,8 +700,9 @@ def _process_updates_rest(self, source_repo: osv.SourceRepository):
         # No need to log a full error, as this is expected result.
         logging.info('Entry does not have an OSV entry: %s', vuln.id)
         continue
-      except Exception:
-        logging.error('Failed to parse %s', vuln.id)
+      except Exception as e:
+        logging.excecption('Failed to parse %s: error type: %s, details: %s',
+                           vuln.id, e.__class__.__name__, e)
         import_failure_logs.append('Failed to parse vulnerability "' + vuln.id +
                                    '"')
         continue