Bump google.golang.org/protobuf from 1.28.0 to 1.28.1

Bumps [google.golang.org/protobuf](https://github.com/protocolbuffers/protobuf-go) from 1.28.0 to 1.28.1.
- [Release notes](https://github.com/protocolbuffers/protobuf-go/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf-go/blob/master/release.bash)
- [Commits](https://github.com/protocolbuffers/protobuf-go/compare/v1.28.0...v1.28.1)

---
updated-dependencies:
- dependency-name: google.golang.org/protobuf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -4,20 +4,18 @@ go 1.18
 
 require (
 	github.com/deckarep/golang-set v1.8.0
-	github.com/fsnotify/fsnotify v1.5.4
+	github.com/fsnotify/fsnotify v1.5.4 // indirect
 	github.com/go-acme/lego/v4 v4.8.0
 	github.com/go-resty/resty/v2 v2.7.0
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/imdario/mergo v0.3.13
 	github.com/juju/ratelimit v1.0.2
-	github.com/r3labs/diff/v2 v2.15.1
 	github.com/spf13/viper v1.12.0
 	github.com/stretchr/testify v1.8.0
 	github.com/urfave/cli v1.22.9
 	github.com/xtls/xray-core v1.5.9
 	golang.org/x/net v0.0.0-20220708220712-1185a9018129
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.28.0
+	google.golang.org/protobuf v1.28.1
 )
 
 require github.com/goccy/go-json v0.9.10
@@ -140,7 +138,6 @@ require (
 	github.com/transip/gotransip/v6 v6.17.0 // indirect
 	github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e // indirect
 	github.com/vinyldns/go-vinyldns v0.9.16 // indirect
-	github.com/vmihailenco/msgpack v4.0.4+incompatible // indirect
 	github.com/vultr/govultr/v2 v2.16.0 // indirect
 	github.com/xtls/go v0.0.0-20210920065950-d4af136d3672 // indirect
 	go.opencensus.io v0.23.0 // indirect