[libsoup] docker: Add gi-docgen

[Patrick Griffis <pgriffis src gnome org>]

commit c5e383fb8e974b3d0738ffbb5cf75d811c67fd9d
Author: Patrick Griffis <pgriffis igalia com>
Date:   Sun Jan 16 14:49:08 2022 -0600

    docker: Add gi-docgen

 .gitlab-ci/Dockerfile    | 2 +-
 .gitlab-ci/run-docker.sh | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci/Dockerfile b/.gitlab-ci/Dockerfile
index 71546c1d..eae603e3 100644
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -33,7 +33,7 @@ RUN dnf update -y \
     && dnf clean all \
     && python2.7 -m ensurepip \
     && pip2.7 install virtualenv autobahntestsuite \
-    && pip3 install quart
+    && pip3 install quart gi-docgen
 
 # We need glib 2.70
 RUN git clone https://gitlab.gnome.org/GNOME/glib.git \
diff --git a/.gitlab-ci/run-docker.sh b/.gitlab-ci/run-docker.sh
index 882b35f4..f92dddab 100755
--- a/.gitlab-ci/run-docker.sh
+++ b/.gitlab-ci/run-docker.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-TAG="registry.gitlab.gnome.org/gnome/libsoup/master:v15"
+TAG="registry.gitlab.gnome.org/gnome/libsoup/master:v16"
 
 SUDO_CMD="sudo"
 if docker -v |& grep -q podman; then