Bump github.com/creasty/defaults from 1.7.0 to 1.8.0

Bumps [github.com/creasty/defaults](https://github.com/creasty/defaults) from 1.7.0 to 1.8.0.
- [Release notes](https://github.com/creasty/defaults/releases)
- [Commits](https://github.com/creasty/defaults/compare/v1.7.0...v1.8.0)

---
updated-dependencies:
- dependency-name: github.com/creasty/defaults
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e
 	github.com/coreos/ignition/v2 v2.20.0
 	github.com/coreos/vcontext v0.0.0-20230201181013-d72178a18687
-	github.com/creasty/defaults v1.7.0
+	github.com/creasty/defaults v1.8.0
 	github.com/fatih/color v1.18.0
 	github.com/golang/glog v1.2.4
 	github.com/google/uuid v1.6.0