update-go-pkg(deps): bump github.com/gorilla/mux from 1.6.2 to 1.8.0

Bumps [github.com/gorilla/mux](https://github.com/gorilla/mux) from 1.6.2 to 1.8.0.
- [Release notes](https://github.com/gorilla/mux/releases)
- [Commits](gorilla/mux@v1.6.2...v1.8.0)

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

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

go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/golang/snappy v0.0.3 // indirect
 	github.com/google/go-cmp v0.5.7
 	github.com/google/uuid v1.1.2
-	github.com/gorilla/mux v1.6.2
+	github.com/gorilla/mux v1.8.0
 	github.com/hashicorp/go-multierror v1.0.0
 	github.com/hashicorp/hcl2 v0.0.0-20190503213020-640445e16309
 	github.com/kelseyhightower/envconfig v1.3.0
@@ -73,7 +73,6 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
 	github.com/googleapis/gax-go/v2 v2.1.1 // indirect
-	github.com/gorilla/context v1.1.1 // indirect
 	github.com/hashicorp/errwrap v1.0.0 // indirect
 	github.com/jmespath/go-jmespath v0.3.0 // indirect
 	github.com/joho/godotenv v1.3.0 // indirect

go.sum

@@ -300,8 +300,8 @@ github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGa
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/context v1.1.1 h1:AWwleXJkX/nhcU9bZSnZoi3h/qGYqQAGhq6zZe/aQW8=
 github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
-github.com/gorilla/mux v1.6.2 h1:Pgr17XVTNXAk3q/r4CpKzC5xBM/qW1uVLV+IhRZpIIk=
-github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
+github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
+github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/gorilla/securecookie v1.1.1 h1:miw7JPhV+b/lAHSXz4qd/nN9jRiAFV5FwjeKyCS8BvQ=
 github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4=
 github.com/gorilla/sessions v1.1.3 h1:uXoZdcdA5XdXF3QzuSlheVRUvjl+1rKY7zBXL68L9RU=