chore(deps): update module github.com/stretchr/testify to v1.8.4 (#439)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/sethvargo/go-envconfig v0.9.0
 	github.com/spf13/cobra v1.6.1
 	github.com/spf13/pflag v1.0.5
-	github.com/stretchr/testify v1.8.2
+	github.com/stretchr/testify v1.8.4
 	github.com/suborbital/go-kit v0.0.8
 	github.com/suborbital/systemspec v0.0.6-0.20230505161626-41f9f9705eeb
 	github.com/testcontainers/testcontainers-go v0.19.0

go.sum

@@ -275,8 +275,8 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
-github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/suborbital/go-kit v0.0.8 h1:yBsxUAlizy46p/eeHM1BfJZgEyx+dbK5oUYKd1N9szQ=
 github.com/suborbital/go-kit v0.0.8/go.mod h1:1OWVnUwXri359OyolKOnthe8jetCQJY/daaObfwRaSs=
 github.com/suborbital/systemspec v0.0.6-0.20230505161626-41f9f9705eeb h1:x+H3hFDibWM4eC1ZI05uA0oCT9JJlqQjaJG4fyIzOCA=