refactor: unify Library and Package structs (#6633)

Signed-off-by: knqyf263 <knqyf263@gmail.com>
Co-authored-by: DmitriyLewen <91113035+DmitriyLewen@users.noreply.github.com>
Co-authored-by: DmitriyLewen <dmitriy.lewen@smartforce.io>

pkg/dependency/parser/python/pip/parse_test.go

@@ -8,13 +8,13 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
-	"github.com/aquasecurity/trivy/pkg/dependency/types"
+	ftypes "github.com/aquasecurity/trivy/pkg/fanal/types"
 )
 
 func TestParse(t *testing.T) {
 	vectors := []struct {
 		file string
-		want []types.Library
+		want []ftypes.Package
 	}{
 		{
 			file: "testdata/requirements_flask.txt",