chore(deps): update module github.com/stretchr/testify to v1.8.4 (#5)

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

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/go-test/deep v1.1.0
 	github.com/google/go-cmp v0.5.9
 	github.com/spf13/cobra v1.7.0
-	github.com/stretchr/testify v1.8.1
+	github.com/stretchr/testify v1.8.4
 	github.com/stvp/tempredis v0.0.0-20181119212430-b82af8480203
 	github.com/testcontainers/testcontainers-go v0.15.0
 	github.com/vektah/gqlparser/v2 v2.5.1

go.sum

@@ -913,6 +913,8 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
 github.com/stretchr/testify v1.8.1/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/stvp/go-udp-testing v0.0.0-20201019212854-469649b16807/go.mod h1:7jxmlfBCDBXRzr0eAQJ48XC1hBu1np4CS5+cHEYfwpc=
 github.com/stvp/tempredis v0.0.0-20181119212430-b82af8480203 h1:QVqDTf3h2WHt08YuiTGPZLls0Wq99X9bWd0Q5ZSBesM=
 github.com/stvp/tempredis v0.0.0-20181119212430-b82af8480203/go.mod h1:oqN97ltKNihBbwlX8dLpwxCl3+HnXKV/R0e+sRLd9C8=