[pygobject] ci: add pypy3.6

[Christoph Reiter <creiter src gnome org>]

commit 7518a04b4f82e34d908b7ed01d03210e694068d6
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Tue Feb 19 11:26:07 2019 +0100

    ci: add pypy3.6

 .gitlab-ci.yml        | 10 ++++++++--
 .gitlab-ci/Dockerfile |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ab633537..819d19b5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -99,18 +99,24 @@ python3.7:
     PYENV_VERSION: "3.7.2-debug"
   <<: *defaults
 
-pypy2:
+pypy2.7:
   allow_failure: true
   variables:
     PYENV_VERSION: "pypy2.7-7.0.0"
   <<: *defaults
 
-pypy3:
+pypy3.5:
   allow_failure: true
   variables:
     PYENV_VERSION: "pypy3.5-7.0.0"
   <<: *defaults
 
+pypy3.6:
+  allow_failure: true
+  variables:
+    PYENV_VERSION: "pypy3.6-7.0.0"
+  <<: *defaults
+
 xenial-i386-py2:
   stage: build_and_test
   image: registry.gitlab.gnome.org/gnome/pygobject/old:v2
diff --git a/.gitlab-ci/Dockerfile b/.gitlab-ci/Dockerfile
index 9f129890..547b096f 100644
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -41,6 +41,7 @@ RUN curl -L https://raw.githubusercontent.com/pyenv/pyenv-installer/master/bin/p
 
 RUN pyenv install pypy2.7-7.0.0
 RUN pyenv install pypy3.5-7.0.0
+RUN pyenv install pypy3.6-7.0.0
 RUN pyenv install --debug 2.7.15
 RUN pyenv install 3.5.6
 RUN pyenv install 3.6.8