refactor: refactor Secrets Management Logic

- Remove owner variable and direct owner ID reference in `ListActionsSecrets` function.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

routers/api/v1/repo/action.go

@@ -51,11 +51,9 @@ func ListActionsSecrets(ctx *context.APIContext) {
 	//   "404":
 	//     "$ref": "#/responses/notFound"
 
-	owner := ctx.Repo.Owner
 	repo := ctx.Repo.Repository
 
 	opts := &secret_model.FindSecretsOptions{
-		OwnerID:     owner.ID,
 		RepoID:      repo.ID,
 		ListOptions: utils.GetListOptions(ctx),
 	}