Fix unused parameter errors in debug.go slog.Handler interface

Rename unused parameters to _ in WithAttrs and WithGroup methods
as these are required by the slog.Handler interface

internal/secret/debug.go

@@ -123,13 +123,13 @@ func (h *colorizedHandler) Handle(_ context.Context, record slog.Record) error {
 	return err
 }
 
-func (h *colorizedHandler) WithAttrs(attrs []slog.Attr) slog.Handler {
+func (h *colorizedHandler) WithAttrs(_ []slog.Attr) slog.Handler {
 	// For simplicity, return the same handler
 	// In a more complex implementation, we'd create a new handler with the attrs
 	return h
 }
 
-func (h *colorizedHandler) WithGroup(name string) slog.Handler {
+func (h *colorizedHandler) WithGroup(_ string) slog.Handler {
 	// For simplicity, return the same handler
 	// In a more complex implementation, we'd create a new handler with the group
 	return h