🐛 Do not exit if annotations not defined in scan/vuln cmd. (#842)

* 🐛 Do not exit if annotations not defined in scan/vuln cmd.
* 🧹 add comment why we need no error check for annotations

---------

Co-authored-by: Christoph Hartmann <chris@lollyrock.com>

apps/cnspec/cmd/scan.go

@@ -215,11 +215,8 @@ func getCobraScanConfig(cmd *cobra.Command, runtime *providers.Runtime, cliRes *
  log.Fatal().Err(err).Msg("failed to parse inventory")
  }
 
- annotations, err := cmd.Flags().GetStringToString("annotation")
- if err != nil {
- log.Fatal().Err(err).Msg("failed to parse annotations")
- }
-
+ // annotations are user-added, editable labels for assets and are optional, therefore we do not need to check for err
+ annotations, _ := cmd.Flags().GetStringToString("annotation")
  // merge the config and the user-provided annotations with the latter having precedence
  optAnnotations := opts.Annotations
  if optAnnotations == nil {