housekeeping: bump envoyproxy/protoc-gen-validate to v0.4.1 (#290)

backend/go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/coreos/go-oidc v2.2.1+incompatible
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/envoyproxy/go-control-plane v0.9.6
-	github.com/envoyproxy/protoc-gen-validate v0.4.0
+	github.com/envoyproxy/protoc-gen-validate v0.4.1
 	github.com/fullstorydev/grpcurl v1.7.0
 	github.com/go-git/go-billy/v5 v5.0.0
 	github.com/go-git/go-git/v5 v5.1.0
@@ -27,7 +27,6 @@ require (
 	github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334
 	github.com/jhump/protoreflect v1.7.0
 	github.com/lib/pq v1.8.0
-	github.com/lyft/protoc-gen-star v0.4.14 // indirect
 	github.com/mitchellh/hashstructure v1.0.0
 	github.com/shurcooL/githubv4 v0.0.0-20200802174311-f27d2ca7f6d5
 	github.com/shurcooL/graphql v0.0.0-20181231061246-d48a9a75455f // indirect
@@ -40,6 +39,8 @@ require (
 	golang.org/x/net v0.0.0-20200707034311-ab3426394381
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
 	golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208
+	golang.org/x/tools v0.0.0-20200811172722-d77521d07411 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013
 	google.golang.org/grpc v1.31.0
 	google.golang.org/protobuf v1.25.0