Allow TLS v1.2 (#16774)

Author: aledbf

components/supervisor/pkg/serverapi/publicapi.go

@@ -141,7 +141,7 @@ func (s *Service) tryConnToPublicAPI(ctx context.Context) {
 	endpoint := fmt.Sprintf("api.%s:443", s.cfg.Host)
 	log.WithField("endpoint", endpoint).Info("connecting to PublicAPI...")
 	opts := []grpc.DialOption{
-		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{MinVersion: tls.VersionTLS13})),
+		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{MinVersion: tls.VersionTLS12})),
 		grpc.WithStreamInterceptor(grpc_middleware.ChainStreamClient([]grpc.StreamClientInterceptor{
 			s.publicApiMetrics.StreamClientInterceptor(),
 			func(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {