build(deps): bump golang.org/x/net from 0.20.0 to 0.21.0

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.20.0 to 0.21.0.
- [Commits](golang/net@v0.20.0...v0.21.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/yuin/goldmark v1.7.0
 	go.abhg.dev/container/ring v0.3.0
 	go.abhg.dev/goldmark/frontmatter v0.1.0
-	golang.org/x/net v0.20.0
+	golang.org/x/net v0.21.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
@@ -24,5 +24,5 @@ require (
 	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rivo/uniseg v0.4.4 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
 )

go.sum

@@ -28,12 +28,12 @@ go.abhg.dev/container/ring v0.3.0 h1:sEYgxqyAsT2X1NkUEPQecR4WY7cZCbKZSGUsERhHyDI
 go.abhg.dev/container/ring v0.3.0/go.mod h1:GoB+vof3ofHqP2h2S97aJkmrMLK/Dyn7UEupDTgfWV8=
 go.abhg.dev/goldmark/frontmatter v0.1.0 h1:NI9pAkz8irT/vZxxgzYe7rN93Q1+oYeHXfQkRZh37x4=
 go.abhg.dev/goldmark/frontmatter v0.1.0/go.mod h1:XqrEkZuM57djk7zrlRUB02x8I5J0px76YjkOzhB4YlU=
-golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
-golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
+golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
+golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=