[libsoup/wip/ci] Use fedora:28 and run script as a non-root user

[Claudio Saavedra <csaavedra src gnome org>]

commit ce36ea6d828c2797e6811c848c2cd1b629d6cc97
Author: Claudio Saavedra <csaavedra igalia com>
Date:   Mon Aug 13 12:55:41 2018 +0000

    Use fedora:28 and run script as a non-root user

 .gitlab-ci.yml | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4f6bd0cd..eb5a99b8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,14 +1,16 @@
-image: registry.fedoraproject.org/f28/httpd
+image: fedora:28
 
 variables:
-  ADDITIONAL_DEPENDENCIES: which gtk-doc libpsl-devel make redhat-rpm-config
+  ADDITIONAL_DEPENDENCIES: which gtk-doc libpsl-devel make httpd php mod_ssl redhat-rpm-config
 
 build_stable:
   before_script:
-    - sudo dnf update -y --nogpgcheck
-    - sudo dnf install -y 'dnf-command(builddep)'
-    - sudo dnf builddep -y --nogpgcheck libsoup
-    - sudo dnf install -y --nogpgcheck $ADDITIONAL_DEPENDENCIES
+    - dnf update -y --nogpgcheck
+    - dnf install -y 'dnf-command(builddep)'
+    - dnf builddep -y --nogpgcheck libsoup
+    - dnf install -y --nogpgcheck $ADDITIONAL_DEPENDENCIES
+    - adduser runner
+    - su runner
   script:
     - ./autogen.sh
     - make