Bump golang.org/x/mod from 0.17.0 to 0.18.0 (#60)

Bumps [golang.org/x/mod](https://github.com/golang/mod) from 0.17.0 to 0.18.0.
- [Commits](golang/mod@v0.17.0...v0.18.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/cnf/structhash v0.0.0-20201127153200-e1b16c1ebc08
 	github.com/stretchr/testify v1.9.0
 	github.com/tsaarni/x500dn v1.0.0
-	golang.org/x/mod v0.17.0
+	golang.org/x/mod v0.18.0
 	sigs.k8s.io/yaml v1.4.0
 )
 

go.sum

@@ -12,8 +12,8 @@ github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsT
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/tsaarni/x500dn v1.0.0 h1:LvaWTkqRpse4VHBhB5uwf3wytokK4vF9IOyNAEyiA+U=
 github.com/tsaarni/x500dn v1.0.0/go.mod h1:QaHa3EcUKC4dfCAZmj8+ZRGLKukWgpGv9H3oOCsAbcE=
-golang.org/x/mod v0.17.0 h1:zY54UmvipHiNd+pm+m0x9KhZ9hl1/7QNMyxXbc6ICqA=
-golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.18.0 h1:5+9lSbEzPSdWkH32vYPBwEpX8KwDbM52Ud9xBUvNlb0=
+golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 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=