fix: make iterator link clickable (#1576)

Internal Bug: 372879282

Author: codyoss

internal/gengapic/paging.go

@@ -448,7 +448,7 @@ func (g *generator) pagingIter(pt *iterType) {
 	p("}")
 	p("")
 
-	p("// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.")
+	p("// PageInfo supports pagination. See the [google.golang.org/api/iterator] package for details.")
 	p("func (it *%s) PageInfo() *iterator.PageInfo {", pt.iterTypeName)
 	p("  return it.pageInfo")
 	p("}")

internal/gengapic/testdata/gen_iterators.want

@@ -18,7 +18,7 @@ type FooIterator struct {
 	InternalFetch func(pageSize int, pageToken string) (results []*examplepb.Foo, nextPageToken string, err error)
 }
 
-// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+// PageInfo supports pagination. See the [google.golang.org/api/iterator] package for details.
 func (it *FooIterator) PageInfo() *iterator.PageInfo {
 	return it.pageInfo
 }