Update comment.

Signed-off-by: Nathan <148575555+nathan-artie@users.noreply.github.com>

lib/debezium/types.go

@@ -161,6 +161,8 @@ func (f Field) ParseValue(value any) (any, error) {
 
 	if bytes, ok := value.([]byte); ok {
 		// Preserve existing behavior by base64 encoding []byte values to a string.
+		// TODO: Look into inverting this logic so that in the case the field type is "bytes" but the value is a string we  
+		// base64 decode it here, then things downstream from here can just deal with []byte values.
 		return base64.StdEncoding.EncodeToString(bytes), nil
 	}