tests: Add Ubuntu 22.04 into the test matrix

.github/workflows/tests.yaml

@@ -30,6 +30,9 @@ jobs:
           - name: "Ubuntu 20.04"
             runner: ubuntu-latest
             dockerfile: ubuntu2004
+          - name: "Ubuntu 22.04"
+            runner: ubuntu-latest
+            dockerfile: ubuntu2204
           - name: "OpenSUSE 15"
             runner: ubuntu-latest
             dockerfile: opensuse15

docker-compose.yml

@@ -64,6 +64,14 @@ services:
     security_opt:
       - label=type:container_runtime_t
     tty: true
+  test-ubuntu2204:
+    build:
+        context: .
+        dockerfile: test/docker/ubuntu2204
+    network_mode: "host"
+    security_opt:
+      - label=type:container_runtime_t
+    tty: true
   test-debianstable:
     build:
         context: .