[nautilus] ci: Disable gpg signature checking

[Ondrej Holy <oholy src gnome org>]

commit af848924eb4c1dd8ed5631459240faa03bfce291
Author: Ondrej Holy <oholy redhat com>
Date:   Fri Sep 4 17:42:18 2020 +0200

    ci: Disable gpg signature checking
    
    Creation of new image currently fails on gpg signature checking.
    Let's use --nogpg temporarily to make it work again.

 .gitlab/Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab/Dockerfile b/.gitlab/Dockerfile
index 3861b3f84..e0e2df663 100644
--- a/.gitlab/Dockerfile
+++ b/.gitlab/Dockerfile
@@ -1,5 +1,5 @@
 FROM fedora:rawhide
 
-RUN dnf install -y dnf-plugins-core uncrustify findutils \
- && dnf builddep -y nautilus \
+RUN dnf install --nogpg -y dnf-plugins-core uncrustify findutils \
+ && dnf builddep --nogpg -y nautilus \
  && dnf clean all