[chore]: Bump github.com/uptrace/bun from 1.2.6 to 1.2.8

Bumps [github.com/uptrace/bun](https://github.com/uptrace/bun) from 1.2.6 to 1.2.8.
- [Release notes](https://github.com/uptrace/bun/releases)
- [Changelog](https://github.com/uptrace/bun/blob/master/CHANGELOG.md)
- [Commits](https://github.com/uptrace/bun/compare/v1.2.6...v1.2.8)

---
updated-dependencies:
- dependency-name: github.com/uptrace/bun
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/uptrace/bun/query_values.go

@@ -14,6 +14,7 @@ type ValuesQuery struct {
 	customValueQuery
 
 	withOrder bool
+	comment   string
 }
 
 var (
@@ -64,6 +65,12 @@ func (q *ValuesQuery) WithOrder() *ValuesQuery {
 	return q
 }
 
+// Comment adds a comment to the query, wrapped by /* ... */.
+func (q *ValuesQuery) Comment(comment string) *ValuesQuery {
+	q.comment = comment
+	return q
+}
+
 func (q *ValuesQuery) AppendNamedArg(fmter schema.Formatter, b []byte, name string) ([]byte, bool) {
 	switch name {
 	case "Columns":
@@ -121,6 +128,8 @@ func (q *ValuesQuery) AppendQuery(fmter schema.Formatter, b []byte) (_ []byte, e
 		return nil, errNilModel
 	}
 
+	b = appendComment(b, q.comment)
+
 	fmter = formatterWithModel(fmter, q)
 
 	if q.tableModel != nil {
@@ -145,7 +154,7 @@ func (q *ValuesQuery) appendQuery(
 	fields []*schema.Field,
 ) (_ []byte, err error) {
 	b = append(b, "VALUES "...)
-	if q.db.features.Has(feature.ValuesRow) {
+	if q.db.HasFeature(feature.ValuesRow) {
 		b = append(b, "ROW("...)
 	} else {
 		b = append(b, '(')
@@ -168,7 +177,7 @@ func (q *ValuesQuery) appendQuery(
 		for i := 0; i < sliceLen; i++ {
 			if i > 0 {
 				b = append(b, "), "...)
-				if q.db.features.Has(feature.ValuesRow) {
+				if q.db.HasFeature(feature.ValuesRow) {
 					b = append(b, "ROW("...)
 				} else {
 					b = append(b, '(')