Bump github.com/go-acme/lego/v4 from 4.6.0 to 4.8.0

Bumps [github.com/go-acme/lego/v4](https://github.com/go-acme/lego) from 4.6.0 to 4.8.0.
- [Release notes](https://github.com/go-acme/lego/releases)
- [Changelog](https://github.com/go-acme/lego/blob/master/CHANGELOG.md)
- [Commits](https://github.com/go-acme/lego/compare/v4.6.0...v4.8.0)

---
updated-dependencies:
- dependency-name: github.com/go-acme/lego/v4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -5,7 +5,7 @@ go 1.18
 require (
 	github.com/deckarep/golang-set v1.8.0
 	github.com/fsnotify/fsnotify v1.5.4
-	github.com/go-acme/lego/v4 v4.6.0
+	github.com/go-acme/lego/v4 v4.8.0
 	github.com/go-resty/resty/v2 v2.7.0
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/imdario/mergo v0.3.13
@@ -90,6 +90,7 @@ require (
 	github.com/marten-seemann/qtls-go1-18 v0.1.2 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/miekg/dns v1.1.49 // indirect
+	github.com/mimuret/golang-iij-dpf v0.7.1 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect