Other: Use proper gRPC insecure credentials

internal/focus/client.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/ProtonMail/proton-bridge/v2/internal/focus/proto"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/protobuf/types/known/emptypb"
 )
 
@@ -17,7 +18,11 @@ func TryRaise() bool {
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
 	defer cancel()
 
-	cc, err := grpc.DialContext(ctx, net.JoinHostPort(Host, fmt.Sprint(Port)), grpc.WithInsecure())
+	cc, err := grpc.DialContext(
+		ctx,
+		net.JoinHostPort(Host, fmt.Sprint(Port)),
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
+	)
 	if err != nil {
 		return false
 	}