.github: Test on Fedora 35

Fedora 35 includes Python 3.10.

Author: juergbi

.github/compose/ci.docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3.4'
 
 x-tests-template: &tests-template
-    image: registry.gitlab.com/buildstream/buildstream-docker-images/testsuite-fedora:34-${CI_IMAGE_VERSION:-latest}
+    image: registry.gitlab.com/buildstream/buildstream-docker-images/testsuite-fedora:35-${CI_IMAGE_VERSION:-latest}
     command: tox -vvvvv -- --color=yes --integration
     environment:
       TOXENV: ${CI_TOXENV_ALL}
@@ -30,6 +30,10 @@ services:
     <<: *tests-template
     image: registry.gitlab.com/buildstream/buildstream-docker-images/testsuite-fedora:34-${CI_IMAGE_VERSION:-latest}
 
+  fedora-35:
+    <<: *tests-template
+    image: registry.gitlab.com/buildstream/buildstream-docker-images/testsuite-fedora:35-${CI_IMAGE_VERSION:-latest}
+
   debian-10:
     <<: *tests-template
     image: registry.gitlab.com/buildstream/buildstream-docker-images/testsuite-debian:10-${CI_IMAGE_VERSION:-latest}

.github/run-ci.sh

@@ -105,6 +105,7 @@ if [ -z "${test_names}" ]; then
     runTest "debian-10"
     runTest "fedora-33"
     runTest "fedora-34"
+    runTest "fedora-35"
     runTest "ubuntu-18.04"
     runTest "centos-7.7.1908"
     runTest "fedora-missing-deps"

.github/workflows/ci.yml

@@ -39,6 +39,7 @@ jobs:
           - debian-10
           - fedora-33
           - fedora-34
+          - fedora-35
           - ubuntu-18.04
           - centos-7.7.1908
           - fedora-missing-deps