Update go-plugin dep (#5552)

* mod: remove unnecessary import groupings

Move all imports into one of two groupings:

1. Direct dependencies
2. Indirect dependencies

This is the standard used by the go tool. The old groupings
seemed very random.

* mod: update go-plugin dependency

api/go.mod

@@ -20,7 +20,7 @@ require (
 	go.uber.org/atomic v1.11.0
 	golang.org/x/time v0.3.0
 	google.golang.org/grpc v1.61.0
-	google.golang.org/protobuf v1.34.2
+	google.golang.org/protobuf v1.36.1
 	nhooyr.io/websocket v1.8.10
 )
 
@@ -31,6 +31,7 @@ require (
 	github.com/hashicorp/eventlogger v0.2.6-0.20231025104552-802587e608f0 // indirect
 	github.com/hashicorp/eventlogger/filters/encrypt v0.1.8-0.20231025104552-802587e608f0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-plugin v1.6.3 // indirect
 	github.com/hashicorp/go-secure-stdlib/strutil v0.1.2 // indirect
 	github.com/hashicorp/go-sockaddr v1.0.5 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
@@ -38,9 +39,9 @@ require (
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
-	golang.org/x/crypto v0.31.0 // indirect
-	golang.org/x/net v0.33.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/crypto v0.32.0 // indirect
+	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
 	google.golang.org/genproto v0.0.0-20240116215550-a9fa1716bcac // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240125205218-1f4bbc51befe // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect