fix: osv data source memory consumption

cve_bin_tool/cli.py

@@ -787,7 +787,7 @@ def main(argv=None):
     enabled_sources = []
 
     if "OSV" not in disabled_sources:
-        source_osv = osv_source.OSV_Source(incremental_update=incremental_db_update)
+        source_osv = osv_source.OSVDataSource()
         enabled_sources.append(source_osv)
 
     if "GAD" not in disabled_sources:

cve_bin_tool/cvedb.py

@@ -63,7 +63,7 @@ class CVEDB:
     SOURCES = [
         curl_source.Curl_Source,
         epss_source.Epss_Source,
-        osv_source.OSV_Source,
+        osv_source.OSVDataSource,
         gad_source.GAD_Source,
         purl2cpe_source.PURL2CPE_Source,
         nvd_source.NVD_Source,  # last to avoid data overwrites