feat: ✨ add skip_if_no_notes_file setting

plugin/plugin.go

@@ -35,6 +35,7 @@ type Args struct {
 	NotesFile         string `envconfig:"PLUGIN_NOTES_FILE"`
 	Notes             string `envconfig:"PLUGIN_NOTES"`
 	IsPrerelease      bool   `envconfig:"PLUGIN_IS_PRERELEASE"`
+	SkipIfNoNotesFile bool   `envconfig:"PLUGIN_SKIP_IF_NO_NOTES_FILE"`
 }
 
 type TitleTemplateCtx struct {
@@ -60,6 +61,10 @@ func Exec(ctx context.Context, args Args) error {
 		content, err := os.ReadFile(args.NotesFile)
 
 		if err != nil {
+			if os.IsNotExist(err) && args.SkipIfNoNotesFile {
+				fmt.Println("No notes file found, skipping release")
+				return nil
+			}
 			return fmt.Errorf("error reading notes file %w", err)
 		}