fix: reduce logging for bad dpkg lines (anchore#1675)

* fix: reduce logging for bad dpkg lines to Trace level
---------

Signed-off-by: Keith Zantow <kzantow@gmail.com>

syft/pkg/cataloger/deb/parse_dpkg_db.go

@@ -151,7 +151,7 @@ func extractAllFields(reader *bufio.Reader) (map[string]interface{}, error) {
 			var val interface{}
 			key, val, err = handleNewKeyValue(line)
 			if err != nil {
-				log.Warnf("parsing dpkg status: extracting key-value from line: %s err: %v", line, err)
+				log.Tracef("parsing dpkg status: extracting key-value from line: %s err: %v", line, err)
 				continue
 			}