fix(deps): update module github.com/stretchr/testify to v1.8.4

Author: renovate[bot]

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/protoconf/libprotoconf v0.0.0-20211017074511-4cffcc3620de
 	github.com/protoconf/protoconf v0.1.6
 	github.com/smintz/keygroup v0.1.0
-	github.com/stretchr/testify v1.8.2
+	github.com/stretchr/testify v1.8.4
 	github.com/zclconf/go-cty v1.10.0
 	google.golang.org/grpc v1.55.0
 	google.golang.org/protobuf v1.30.0

go.sum

@@ -563,6 +563,8 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 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/svanharmelen/jsonapi v0.0.0-20180618144545-0c0828c3f16d/go.mod h1:BSTlc8jOjh0niykqEGVXOLXdi9o0r0kR8tCYiMvjFgw=
 github.com/terraform-providers/terraform-provider-openstack v1.15.0/go.mod h1:2aQ6n/BtChAl1y2S60vebhyJyZXBsuAI5G4+lHrT1Ew=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20171017195756-830351dc03c6/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=