build(deps): bump github.com/stretchr/testify from 1.8.1 to 1.8.4

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.8.1 to 1.8.4.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.8.1...v1.8.4)

---
updated-dependencies:
- dependency-name: github.com/stretchr/testify
  dependency-type: direct:production
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -37,7 +37,7 @@ require (
 	github.com/pkg/profile v1.7.0
 	github.com/prometheus/client_golang v1.14.0
 	github.com/rs/cors v1.8.2
-	github.com/stretchr/testify v1.8.1
+	github.com/stretchr/testify v1.8.4
 	github.com/urfave/cli v1.22.2
 	github.com/urfave/cli/v2 v2.25.7
 	golang.org/x/crypto v0.8.0

go.sum

@@ -760,8 +760,8 @@ 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 v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
 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/supranational/blst v0.3.11-0.20230406105308-e9dfc5ee724b h1:u49mjRnygnB34h8OKbnNJFVUtWSKIKb1KukdV8bILUM=
 github.com/supranational/blst v0.3.11-0.20230406105308-e9dfc5ee724b/go.mod h1:jZJtfjgudtNl4en1tzwPIV3KjUnQUvG3/j+w+fVonLw=
 github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=