Enable a simple python-3.11 plan

Demonstrates how the `environment` key can be used for setting
a common environment variable for the whole plan.

smoke/main.fmf

@@ -21,29 +21,24 @@ description: |
     * METHOD ... virtual environment creation method (venv, virtualenv)
     * TOX ... enable or disable the tox test (true, false)
 
-path: smoke
 test: ./venv.sh
-
-tier: 1
-tags: [venv]
-
 environment:
-    VERSION: 3.7
-    METHOD: venv
-    TOX: true
+    CYTHON: "false"
+
 duration: 10m
+tier: 1
+tag:
+  - venv
+
 component+:
-    - python2
-    - python26
-    - python3
-    - python34
-    - python35
-    - python36
-    - pypy
-    - pypy3
-    - jython
-    - python-pip
-    - python-wheel
-    - python-setuptools
-    - python-virtualenv
-    - python-tox
+  - python3
+  - python310
+  - python311
+  - pypy
+  - pypy3
+  - jython
+  - python-pip
+  - python-wheel
+  - python-setuptools
+  - python-virtualenv
+  - python-tox